| argentina | | pseudoxenomystax albescens | species | 6 | 0 |
| australia | | anguilla australis | species | 3 | 0 |
| australia | | anguilla reinhardtii | species | 4 | 0 |
| australia | new south wales | anguilla australis | species | 1 | 0 |
| australia | new south wales | anguilla reinhardtii | species | 1 | 0 |
| australia | new south wales | conger verreauxi | species | 1 | 0 |
| australia | new south wales | conger wilsoni | species | 1 | 0 |
| australia | queensland | anguilla anguilla | species | 0 | 1 |
| australia | queensland | anguilla australis | species | 7 | 1 |
| australia | queensland | anguilla japonica | species | 0 | 1 |
| australia | queensland | anguilla reinhardtii | species | 0 | 1 |
| australia | queensland | anguilla rostrata | species | 0 | 1 |
| australia | queensland | conger cinereus | species | 1 | 0 |
| australia | queensland | gymnothorax pictus | species | 2 | 0 |
| australia | queensland | gymnothorax pseudothyrsoideus | species | 0 | 2 |
| australia | south australia | anguilla australis | species | 1 | 0 |
| australia | tasmania | anguilla australis | species | 1 | 1 |
| australia | tasmania | diastobranchus capensis | species | 2 | 0 |
| australia | victoria | anguilla reinhardtii | species | 2 | 0 |
| bahamas | | enchelycore carychroa | species | 3 | 0 |
| bahamas | | kaupichthys hyoproroides | species | 1 | 0 |
| bahamas | | myrophis punctatus | species | 1 | 0 |
| bangladesh | | anguilla bengalensis | species | 1 | 0 |
| bangladesh | | gymnothorax tile | species | 3 | 0 |
| bangladesh | | moringua raitaborua | species | 1 | 0 |
| bangladesh | | ophisurus serpens | species | 1 | 0 |
| bangladesh | | pisodonophis boro | species | 3 | 0 |
| bangladesh | chittagong division | strophidon sathete | species | 1 | 0 |
| belgium | | anguilla anguilla | species | 1 | 0 |
| belgium | | anguilla japonica | species | 3 | 0 |
| belgium | | anguilla rostrata | species | 14 | 0 |
| belgium | flemish region | anguilla anguilla | species | 0 | 12 |
| belgium | flemish region | anguilla rostrata | species | 0 | 1 |
| belize | | kaupichthys hyoproroides | species | 1 | 0 |
| belize | | myrichthys breviceps | species | 1 | 0 |
| belize | stann creek district | ariosoma balearicum | species | 2 | 0 |
| belize | stann creek district | chilorhinus suensonii | species | 1 | 0 |
| belize | stann creek district | echidna catenata | species | 1 | 0 |
| belize | stann creek district | enchelycore carychroa | species | 1 | 0 |
| belize | stann creek district | enchelycore nigricans | species | 1 | 0 |
| belize | stann creek district | gymnothorax miliaris | species | 1 | 0 |
| belize | stann creek district | gymnothorax sp. bold:aag1984 | species | 1 | 0 |
| belize | stann creek district | gymnothorax vicinus | species | 1 | 0 |
| belize | stann creek district | kaupichthys hyoproroides | species | 3 | 0 |
| belize | stann creek district | kaupichthys nuchalis | species | 1 | 0 |
| belize | stann creek district | moringua edwardsi | species | 2 | 0 |
| belize | stann creek district | myrichthys ocellatus | species | 1 | 0 |
| belize | stann creek district | myrichthys sp. bold:aae6356 | species | 1 | 0 |
| belize | stann creek district | myrophis platyrhynchus | species | 2 | 0 |
| belize | stann creek district | myrophis punctatus | species | 4 | 0 |
| belize | stann creek district | myrophis sp. bold:aab7196 | species | 1 | 0 |
| brazil | bahia | gymnothorax funebris | species | 1 | 0 |
| brazil | bahia | gymnothorax vicinus | species | 1 | 0 |
| brazil | rio de janeiro | pseudoxenomystax albescens | species | 0 | 1 |
| brazil | sao paulo | anguilliformes sp. bold:aad4719 | species | 1 | 0 |
| brazil | sao paulo | anguilliformes sp. bold:aao6071 | species | 1 | 0 |
| brazil | sao paulo | gymnothorax ocellatus | species | 1 | 0 |
| brazil | sao paulo | ophichthus gomesii | species | 1 | 0 |
| brunei | | anguilla marmorata | species | 2 | 0 |
| brunei | tutong district | anguilla marmorata | species | 1 | 0 |
| canada | | anguilla anguilla x anguilla rostrata | species | 4 | 0 |
| canada | | anguilla rostrata | species | 22 | 0 |
| canada | | synaphobranchus kaupii | species | 1 | 0 |
| canada | british columbia | avocettina infans | species | 5 | 0 |
| canada | british columbia | cyema atrum | species | 1 | 0 |
| canada | british columbia | nemichthys larseni | species | 4 | 0 |
| canada | british columbia | serrivomer jesperseni | species | 5 | 0 |
| canada | british columbia | synaphobranchus affinis | species | 1 | 0 |
| canada | new brunswick | anguilla rostrata | species | 0 | 1 |
| canada | new brunswick | serrivomer beanii | species | 2 | 0 |
| canada | new brunswick | simenchelys parasitica | species | 1 | 0 |
| canada | newfoundland and labrador | anguilla rostrata | species | 0 | 2 |
| canada | newfoundland and labrador | eurypharynx pelecanoides | species | 1 | 0 |
| canada | newfoundland and labrador | serrivomer beanii | species | 1 | 0 |
| canada | newfoundland and labrador | simenchelys parasitica | species | 1 | 0 |
| canada | nova scotia | anguilla anguilla | species | 0 | 2 |
| canada | nova scotia | anguilla australis | species | 0 | 1 |
| canada | nova scotia | anguilla japonica | species | 0 | 1 |
| canada | nova scotia | anguilla rostrata | species | 0 | 10 |
| canada | nova scotia | avocettina infans | species | 1 | 0 |
| canada | nova scotia | derichthys serpentinus | species | 3 | 0 |
| canada | nova scotia | eurypharynx pelecanoides | species | 1 | 0 |
| canada | nova scotia | nemichthys scolopaceus | species | 3 | 0 |
| canada | nova scotia | nessorhamphus ingolfianus | species | 1 | 0 |
| canada | nova scotia | serrivomer beanii | species | 1 | 0 |
| canada | nova scotia | serrivomer lanceolatoides | species | 5 | 0 |
| canada | nova scotia | simenchelys parasitica | species | 1 | 0 |
| canada | nova scotia | synaphobranchus kaupii | species | 5 | 0 |
| canada | nova scotia | xenomystax congroides | species | 1 | 0 |
| canada | ontario | anguilla anguilla | species | 0 | 1 |
| canada | ontario | anguilla rostrata | species | 4 | 5 |
| canada | prince edward island | anguilla anguilla | species | 0 | 1 |
| canada | prince edward island | anguilla australis | species | 0 | 1 |
| canada | prince edward island | anguilla japonica | species | 0 | 1 |
| canada | prince edward island | anguilla rostrata | species | 0 | 2 |
| canada | quebec | anguilla rostrata | species | 9 | 0 |
| chile | valparaiso region | conger myriaster | species | 0 | 1 |
| china | | anguilla anguilla | species | 1 | 0 |
| china | | anguilla japonica | species | 10 | 0 |
| china | | anguilla rostrata | species | 1 | 0 |
| china | | apterichtus klazingai | species | 2 | 0 |
| china | | ariosoma meeki | species | 1 | 0 |
| china | | cirrhimuraena chinensis | species | 7 | 0 |
| china | | conger japonicus | species | 3 | 0 |
| china | | conger myriaster | species | 1 | 0 |
| china | | congresox talabonoides | species | 1 | 0 |
| china | | gymnothorax berndti | species | 1 | 0 |
| china | | gymnothorax chilospilus | species | 1 | 0 |
| china | | gymnothorax eurostus | species | 1 | 0 |
| china | | gymnothorax favagineus | species | 1 | 0 |
| china | | gymnothorax fimbriatus | species | 1 | 0 |
| china | | gymnothorax flavimarginatus | species | 1 | 0 |
| china | | gymnothorax hepaticus | species | 1 | 0 |
| china | | gymnothorax isingteena | species | 1 | 0 |
| china | | gymnothorax javanicus | species | 1 | 0 |
| china | | gymnothorax margaritophorus | species | 1 | 0 |
| china | | gymnothorax meleagris | species | 1 | 0 |
| china | | gymnothorax pseudothyrsoideus | species | 1 | 0 |
| china | | gymnothorax reevesii | species | 4 | 0 |
| china | | gymnothorax reticularis | species | 6 | 0 |
| china | | gymnothorax rueppellii | species | 1 | 0 |
| china | | gymnothorax undulatus | species | 1 | 0 |
| china | | muraenesox cinereus | species | 7 | 0 |
| china | | muraenichthys gymnopterus | species | 7 | 0 |
| china | | neenchelys parvipectoralis | species | 7 | 0 |
| china | | ophichthus apicalis | species | 6 | 0 |
| china | | ophichthus brevicaudatus | species | 7 | 0 |
| china | | ophichthus celebicus | species | 5 | 0 |
| china | | oxyconger leptognathus | species | 3 | 0 |
| china | | pisodonophis boro | species | 4 | 0 |
| china | | pisodonophis cancrivorus | species | 6 | 0 |
| china | | rhynchoconger ectenurus | species | 1 | 0 |
| china | | scolecenchelys macroptera | species | 6 | 0 |
| china | | uroconger lepturus | species | 7 | 0 |
| china | fujian | anguilla japonica | species | 1 | 0 |
| china | fujian | gymnothorax sagmacephalus | species | 2 | 0 |
| china | guangdong | anguilla japonica | species | 1 | 0 |
| china | guangdong | conger japonicus | species | 3 | 0 |
| china | guangdong | conger myriaster | species | 1 | 0 |
| china | guangdong | gnathophis nystromi | species | 10 | 0 |
| china | guangdong | gymnothorax pseudothyrsoideus | species | 3 | 0 |
| china | guangdong | gymnothorax reevesii | species | 3 | 0 |
| china | guangdong | gymnothorax sagmacephalus | species | 2 | 0 |
| china | guangdong | gymnothorax undulatus | species | 1 | 0 |
| china | guangdong | uroconger lepturus | species | 3 | 1 |
| china | guangxi | anguilla japonica | species | 1 | 0 |
| china | guangxi | anguilla marmorata | species | 2 | 0 |
| china | guangxi | anguilla rostrata | species | 2 | 0 |
| china | guizhou | anguilla japonica | species | 1 | 0 |
| china | guizhou | uroconger lepturus | species | 1 | 0 |
| china | hainan | anguilla marmorata | species | 1 | 0 |
| china | hainan | uroconger lepturus | species | 0 | 1 |
| china | liaoning | conger erebennus | species | 1 | 0 |
| china | shandong | conger myriaster | species | 24 | 0 |
| china | shanghai shi | ariosoma meeki | species | 2 | 0 |
| china | shanghai shi | conger myriaster | species | 25 | 0 |
| china | yunnan | anguilla nebulosa | species | 4 | 0 |
| cuba | guantanamo province | anguilla rostrata | species | 2 | 0 |
| curacao | | monopenchelys acuta | species | 2 | 0 |
| curacao | | moringua edwardsi | species | 1 | 0 |
| curacao | | myrichthys ocellatus | species | 1 | 0 |
| denmark | | conger conger | species | 1 | 0 |
| denmark | capital region of denmark | anguilla anguilla | species | 2 | 0 |
| denmark | region zealand | anguilla anguilla | species | 0 | 1 |
| egypt | | anguilla anguilla | species | 70 | 0 |
| egypt | | gymnothorax javanicus | species | 1 | 0 |
| egypt | | myrichthys maculosus | species | 1 | 0 |
| egypt | dakahlia governorate | anguilla anguilla | species | 0 | 1 |
| egypt | kafr el sheikh governorate | anguilla anguilla | species | 0 | 1 |
| egypt | qalyubia governorate | anguilla anguilla | species | 10 | 0 |
| egypt | red sea governorate | anguilla anguilla | species | 0 | 1 |
| egypt | red sea governorate | conger cinereus | species | 0 | 1 |
| egypt | suez governorate | anguilla anguilla | species | 0 | 1 |
| faroe islands | | anguilla anguilla x anguilla rostrata | species | 4 | 0 |
| fiji | | anguilla marmorata | species | 17 | 1 |
| fiji | | anguilla nebulosa | species | 0 | 1 |
| fiji | | anguilla obscura | species | 1 | 0 |
| fiji | | gymnothorax flavimarginatus | species | 0 | 1 |
| fiji | | gymnothorax pictus | species | 1 | 0 |
| fiji | | gymnothorax polyuranodon | species | 2 | 0 |
| fiji | | gymnothorax richardsonii | species | 1 | 0 |
| fiji | | heteroconger hassi | species | 1 | 0 |
| fiji | | lamnostoma kampeni | species | 10 | 0 |
| fiji | | moringua javanica | species | 1 | 0 |
| fiji | | moringua microchir | species | 2 | 0 |
| fiji | | muraenichthys gymnopterus | species | 1 | 0 |
| france | | anguilla anguilla | species | 10 | 0 |
| france | | anguilla japonica | species | 8 | 0 |
| france | | anguilla rostrata | species | 9 | 0 |
| france | alsace region | anguilla anguilla | species | 0 | 1 |
| france | aquitaine region | anguilla anguilla | species | 19 | 1 |
| france | corse region | anguilla anguilla | species | 0 | 2 |
| france | corse region | conger conger | species | 0 | 1 |
| france | corse region | conger myriaster | species | 0 | 1 |
| france | corse region | muraena helena | species | 0 | 1 |
| france | pays de la loire region | anguilla anguilla | species | 0 | 5 |
| france | poitou-charentes region | conger conger | species | 2 | 0 |
| france | rhone-alpes region | anguilla anguilla | species | 0 | 2 |
| french polynesia | | boehlkenchelys longidentata | species | 1 | 0 |
| french polynesia | | gymnothorax melatremus | species | 1 | 0 |
| french polynesia | austral islands | conger cinereus | species | 1 | 0 |
| french polynesia | austral islands | enchelynassa canina | species | 1 | 0 |
| french polynesia | austral islands | gymnothorax buroensis | species | 2 | 0 |
| french polynesia | austral islands | gymnothorax chilospilus | species | 3 | 0 |
| french polynesia | austral islands | gymnothorax eurostus | species | 2 | 0 |
| french polynesia | austral islands | gymnothorax fuscomaculatus | species | 2 | 0 |
| french polynesia | austral islands | gymnothorax melatremus | species | 1 | 0 |
| french polynesia | austral islands | gymnothorax rueppellii | species | 1 | 0 |
| french polynesia | austral islands | gymnothorax thyrsoideus | species | 1 | 0 |
| french polynesia | austral islands | kaupichthys diodontus | species | 1 | 0 |
| french polynesia | austral islands | leiuranus semicinctus | species | 1 | 0 |
| french polynesia | austral islands | myrichthys maculosus | species | 1 | 0 |
| french polynesia | austral islands | scolecenchelys gymnota | species | 1 | 0 |
| french polynesia | austral islands | uropterygius macrocephalus | species | 1 | 0 |
| french polynesia | leeward islands | ariosoma scheelei | species | 1 | 0 |
| french polynesia | leeward islands | enchelycore bayeri | species | 1 | 0 |
| french polynesia | leeward islands | gymnothorax buroensis | species | 1 | 0 |
| french polynesia | leeward islands | gymnothorax fimbriatus | species | 1 | 0 |
| french polynesia | leeward islands | gymnothorax fuscomaculatus | species | 3 | 0 |
| french polynesia | leeward islands | gymnothorax gracilicauda | species | 1 | 0 |
| french polynesia | leeward islands | gymnothorax javanicus | species | 5 | 0 |
| french polynesia | leeward islands | gymnothorax margaritophorus | species | 2 | 0 |
| french polynesia | leeward islands | gymnothorax melatremus | species | 3 | 0 |
| french polynesia | leeward islands | gymnothorax meleagris | species | 1 | 0 |
| french polynesia | leeward islands | gymnothorax rueppellii | species | 2 | 0 |
| french polynesia | leeward islands | gymnothorax undulatus | species | 1 | 0 |
| french polynesia | leeward islands | kaupichthys diodontus | species | 1 | 0 |
| french polynesia | leeward islands | leiuranus semicinctus | species | 1 | 0 |
| french polynesia | leeward islands | myrophis microchir | species | 1 | 0 |
| french polynesia | leeward islands | pseudechidna brummeri | species | 1 | 0 |
| french polynesia | leeward islands | scolecenchelys gymnota | species | 1 | 0 |
| french polynesia | leeward islands | scolecenchelys macroptera | species | 1 | 0 |
| french polynesia | leeward islands | uropterygius alboguttatus | species | 3 | 0 |
| french polynesia | leeward islands | uropterygius fuscoguttatus | species | 2 | 0 |
| french polynesia | marquesas islands | callechelys marmorata | species | 1 | 0 |
| french polynesia | marquesas islands | conger cinereus | species | 1 | 0 |
| french polynesia | marquesas islands | enchelycore pardalis | species | 2 | 0 |
| french polynesia | marquesas islands | enchelynassa canina | species | 1 | 0 |
| french polynesia | marquesas islands | gorgasia galzini | species | 4 | 0 |
| french polynesia | marquesas islands | gymnothorax breedeni | species | 1 | 0 |
| french polynesia | marquesas islands | gymnothorax buroensis | species | 4 | 0 |
| french polynesia | marquesas islands | gymnothorax fimbriatus | species | 1 | 0 |
| french polynesia | marquesas islands | gymnothorax gracilicauda | species | 1 | 0 |
| french polynesia | marquesas islands | gymnothorax melatremus | species | 1 | 0 |
| french polynesia | marquesas islands | gymnothorax rueppellii | species | 1 | 0 |
| french polynesia | marquesas islands | gymnothorax thyrsoideus | species | 2 | 0 |
| french polynesia | marquesas islands | leiuranus semicinctus | species | 1 | 0 |
| french polynesia | marquesas islands | myrichthys maculosus | species | 2 | 0 |
| french polynesia | marquesas islands | myrophis microchir | species | 1 | 0 |
| french polynesia | marquesas islands | uropterygius alboguttatus | species | 1 | 0 |
| french polynesia | marquesas islands | uropterygius macrocephalus | species | 2 | 0 |
| french polynesia | tuamotu-gambier islands | anarchias seychellensis | species | 1 | 0 |
| french polynesia | tuamotu-gambier islands | gymnothorax chilospilus | species | 5 | 0 |
| french polynesia | tuamotu-gambier islands | gymnothorax eurostus | species | 2 | 0 |
| french polynesia | tuamotu-gambier islands | gymnothorax fimbriatus | species | 1 | 0 |
| french polynesia | tuamotu-gambier islands | gymnothorax flavimarginatus | species | 1 | 0 |
| french polynesia | tuamotu-gambier islands | gymnothorax fuscomaculatus | species | 2 | 0 |
| french polynesia | tuamotu-gambier islands | gymnothorax javanicus | species | 1 | 0 |
| french polynesia | tuamotu-gambier islands | gymnothorax margaritophorus | species | 3 | 0 |
| french polynesia | tuamotu-gambier islands | gymnothorax melatremus | species | 2 | 0 |
| french polynesia | tuamotu-gambier islands | gymnothorax undulatus | species | 1 | 0 |
| french polynesia | tuamotu-gambier islands | leiuranus semicinctus | species | 2 | 0 |
| french polynesia | tuamotu-gambier islands | myrophis microchir | species | 1 | 0 |
| french polynesia | tuamotu-gambier islands | scolecenchelys gymnota | species | 1 | 0 |
| french polynesia | windward islands | gymnothorax melatremus | species | 1 | 0 |
| germany | | anguilla anguilla | species | 12 | 0 |
| germany | | anguilla anguilla x anguilla rostrata | species | 12 | 0 |
| germany | | anguilla japonica | species | 12 | 0 |
| germany | | anguilla rostrata | species | 37 | 0 |
| germany | baden-wuerttemberg | anguilla anguilla | species | 5 | 0 |
| germany | berlin | anguilla anguilla | species | 0 | 2 |
| germany | brandenburg | anguilla anguilla | species | 0 | 1 |
| germany | hamburg | anguilla anguilla | species | 0 | 1 |
| germany | mecklenburg-vorpommern | anguilla anguilla | species | 1 | 0 |
| germany | mecklenburg-vorpommern | anguilla rostrata | species | 1 | 0 |
| greece | crete region | enchelycore anatina | species | 7 | 0 |
| greece | east macedonia and thrace region | conger conger | species | 1 | 0 |
| greece | epirus region | anguilla anguilla | species | 2 | 0 |
| greece | north aegean region | conger conger | species | 1 | 0 |
| greece | west greece region | anguilla anguilla | species | 2 | 0 |
| greenland | | anguilla anguilla x anguilla rostrata | species | 78 | 0 |
| greenland | | anguilla rostrata | species | 86 | 0 |
| greenland | | synaphobranchus kaupii | species | 1 | 0 |
| guadeloupe | | gymnothorax funebris | species | 0 | 1 |
| guam | | anguilla marmorata | species | 0 | 1 |
| guam | | anguilla nebulosa | species | 0 | 1 |
| heard island and mcdonald islands | | nemichthys scolopaceus | species | 1 | 0 |
| hong kong | | congresox talabonoides | species | 0 | 1 |
| hong kong | | muraenesox bagio | species | 0 | 1 |
| hong kong | | muraenesox cinereus | species | 0 | 1 |
| iceland | | anguilla anguilla | species | 32 | 0 |
| iceland | | anguilla anguilla x anguilla rostrata | species | 60 | 0 |
| iceland | | anguilla rostrata | species | 16 | 0 |
| india | | anguilla bengalensis | species | 3 | 0 |
| india | | anguilla bengalensis bengalensis | subspecies | 2 | 0 |
| india | | anguilla bicolor bicolor | subspecies | 2 | 0 |
| india | | gymnothorax flavimarginatus | species | 1 | 0 |
| india | | gymnothorax undulatus | species | 1 | 0 |
| india | | muraenesox bagio | species | 3 | 0 |
| india | | nemichthys acanthonotus | species | 2 | 0 |
| india | | pisodonophis boro | species | 2 | 0 |
| india | | strophidon sathete | species | 1 | 0 |
| india | | uroconger lepturus | species | 2 | 0 |
| india | | uropterygius micropterus | species | 1 | 0 |
| india | andhra pradesh | anguilla bengalensis bengalensis | subspecies | 1 | 0 |
| india | karnataka | anguilla bicolor | species | 0 | 1 |
| india | kerala | anguilla bengalensis | species | 0 | 1 |
| india | kerala | anguilla bengalensis bengalensis | subspecies | 0 | 1 |
| india | kerala | anguilla bicolor | species | 2 | 1 |
| india | kerala | anguilla bicolor bicolor | subspecies | 0 | 1 |
| india | kerala | anguilla nebulosa | species | 0 | 1 |
| india | kerala | uroconger lepturus | species | 2 | 0 |
| india | maharashtra | anguilla bengalensis bengalensis | subspecies | 6 | 0 |
| india | west bengal | anguilla bengalensis | species | 0 | 1 |
| india | west bengal | anguilla bengalensis bengalensis | subspecies | 0 | 1 |
| indonesia | | anguilla bengalensis bengalensis | subspecies | 3 | 0 |
| indonesia | | anguilla bicolor | species | 250 | 0 |
| indonesia | | anguilla bicolor bicolor | subspecies | 72 | 0 |
| indonesia | | anguilla bicolor pacifica | subspecies | 112 | 0 |
| indonesia | | anguilla celebesensis | species | 10 | 0 |
| indonesia | | anguilla interioris | species | 37 | 0 |
| indonesia | | anguilla malgumora | species | 8 | 0 |
| indonesia | | anguilla marmorata | species | 165 | 0 |
| indonesia | | anguilla nebulosa | species | 44 | 0 |
| indonesia | | anguilla nebulosa nebulosa | subspecies | 5 | 0 |
| indonesia | | moringua microchir | species | 1 | 0 |
| indonesia | | strophidon sathete | species | 1 | 0 |
| indonesia | | uroconger lepturus | species | 1 | 0 |
| indonesia | central sulawesi province | anguilla bicolor | species | 1 | 0 |
| indonesia | central sulawesi province | anguilla celebesensis | species | 36 | 1 |
| indonesia | central sulawesi province | anguilla interioris | species | 1 | 0 |
| indonesia | central sulawesi province | anguilla japonica | species | 0 | 1 |
| indonesia | central sulawesi province | anguilla marmorata | species | 2 | 1 |
| indonesia | south sulawesi province | anguilla marmorata | species | 21 | 0 |
| indonesia | special region of yogyakarta | anguilla bicolor bicolor | subspecies | 8 | 0 |
| indonesia | west java province | anguilla bicolor bicolor | subspecies | 3 | 0 |
| indonesia | west nusa tenggara province | anguilla marmorata | species | 2 | 0 |
| ireland | leinster province | anguilla anguilla | species | 1 | 0 |
| israel | | ariosoma balearicum | species | 12 | 0 |
| israel | | echelus myrus | species | 1 | 0 |
| israel | northern district | gymnothorax reticularis | species | 0 | 1 |
| israel | southern district | echidna nebulosa | species | 1 | 0 |
| israel | southern district | gymnothorax griseus | species | 1 | 0 |
| israel | southern district | gymnothorax nudivomer | species | 2 | 0 |
| italy | | anguilla anguilla | species | 1 | 0 |
| italy | | dalophis imberbis | species | 1 | 0 |
| italy | | facciolella oxyrhyncha | species | 1 | 0 |
| italy | campania region | anguilla anguilla | species | 0 | 2 |
| italy | lazio region | anguilla anguilla | species | 6 | 0 |
| italy | sardinia autonomous region | anguilla anguilla | species | 1 | 0 |
| italy | sardinia autonomous region | conger conger | species | 1 | 0 |
| italy | sicily autonomous region | conger conger | species | 1 | 0 |
| italy | tuscany region | anguilla anguilla | species | 0 | 1 |
| japan | | anarchias sp. cbm:zf:18316 | species | 1 | 0 |
| japan | | anguilla bicolor pacifica | subspecies | 1 | 0 |
| japan | | anguilla japonica | species | 87568 | 0 |
| japan | | conger myriaster | species | 18 | 0 |
| japan | | congriscus megastomus | species | 26 | 0 |
| japan | | echidna nebulosa | species | 2 | 0 |
| japan | | gnathophis ginanago | species | 7 | 0 |
| japan | | gnathophis nystromi nystromi | subspecies | 49 | 0 |
| japan | | leiuranus semicinctus | species | 1 | 0 |
| japan | | myrichthys colubrinus | species | 1 | 0 |
| japan | | myrichthys maculosus | species | 1 | 0 |
| japan | | myrophinae sp. lep20 | species | 1 | 0 |
| japan | | myrophinae sp. lep22 | species | 1 | 0 |
| japan | | myrophinae sp. lep39 | species | 1 | 0 |
| japan | | nettastomatidae sp. lep69 | species | 1 | 0 |
| japan | | ophichthus urolophus | species | 2 | 0 |
| japan | | pisodonophis zophistius | species | 1 | 0 |
| japan | | scolecenchelys macroptera | species | 2 | 0 |
| japan | aichi prefecture | anguilla japonica | species | 6 | 1 |
| japan | aichi prefecture | conger myriaster | species | 28 | 0 |
| japan | aichi prefecture | gnathophis heterognathos | species | 22 | 0 |
| japan | aomori prefecture | conger japonicus | species | 1 | 0 |
| japan | aomori prefecture | synaphobranchus kaupii | species | 1 | 0 |
| japan | chiba prefecture | ariosoma anago | species | 1 | 0 |
| japan | chiba prefecture | conger erebennus | species | 1 | 0 |
| japan | chiba prefecture | conger japonicus | species | 25 | 0 |
| japan | chiba prefecture | conger myriaster | species | 1 | 0 |
| japan | chiba prefecture | enchelycore pardalis | species | 1 | 0 |
| japan | chiba prefecture | gnathophis heterognathos | species | 22 | 0 |
| japan | ehime prefecture | anguilla japonica | species | 0 | 2 |
| japan | fukuoka prefecture | muraenesox cinereus | species | 29 | 0 |
| japan | fukushima prefecture | conger myriaster | species | 61 | 0 |
| japan | fukushima prefecture | derichthys serpentinus | species | 1 | 0 |
| japan | fukushima prefecture | gnathophis ginanago | species | 5 | 0 |
| japan | ibaraki prefecture | bathyuroconger parvibranchialis | species | 1 | 0 |
| japan | ibaraki prefecture | gnathophis heterognathos | species | 2 | 0 |
| japan | iwate prefecture | conger myriaster | species | 2 | 0 |
| japan | kagawa prefecture | ariosoma meeki | species | 2 | 0 |
| japan | kagawa prefecture | pisodonophis zophistius | species | 1 | 0 |
| japan | kagoshima prefecture | anguilla japonica | species | 0 | 1 |
| japan | kagoshima prefecture | ariosoma meeki | species | 1 | 0 |
| japan | kagoshima prefecture | congriscus maldivensis | species | 39 | 0 |
| japan | kagoshima prefecture | echidna nebulosa | species | 8 | 0 |
| japan | kagoshima prefecture | echidna polyzona | species | 2 | 0 |
| japan | kagoshima prefecture | gymnothorax chilospilus | species | 2 | 0 |
| japan | kagoshima prefecture | gymnothorax eurostus | species | 4 | 0 |
| japan | kagoshima prefecture | gymnothorax fimbriatus | species | 4 | 0 |
| japan | kagoshima prefecture | gymnothorax meleagris | species | 1 | 0 |
| japan | kagoshima prefecture | gymnothorax rueppellii | species | 1 | 0 |
| japan | kagoshima prefecture | gymnothorax undulatus | species | 3 | 0 |
| japan | kagoshima prefecture | scuticaria tigrina | species | 2 | 0 |
| japan | kagoshima prefecture | uroconger lepturus | species | 1 | 0 |
| japan | kanagawa prefecture | anguilla japonica | species | 1 | 1 |
| japan | kanagawa prefecture | ariosoma meeki | species | 1 | 0 |
| japan | kanagawa prefecture | conger erebennus | species | 50 | 0 |
| japan | kanagawa prefecture | conger japonicus | species | 5 | 0 |
| japan | kanagawa prefecture | conger myriaster | species | 2 | 0 |
| japan | kochi prefecture | anguilla japonica | species | 86 | 0 |
| japan | kochi prefecture | ariosoma major | species | 1 | 0 |
| japan | kochi prefecture | ariosoma shiroanago | species | 2 | 0 |
| japan | kochi prefecture | gnathophis heterognathos | species | 4 | 0 |
| japan | kochi prefecture | gymnothorax kidako | species | 0 | 1 |
| japan | kochi prefecture | gymnothorax melatremus | species | 1 | 0 |
| japan | kochi prefecture | gymnothorax pseudothyrsoideus | species | 2 | 0 |
| japan | kochi prefecture | myrichthys colubrinus | species | 1 | 0 |
| japan | kyoto prefecture | anguilla japonica | species | 1 | 0 |
| japan | mie prefecture | conger myriaster | species | 30 | 0 |
| japan | miyazaki prefecture | gymnothorax minor | species | 1 | 0 |
| japan | miyazaki prefecture | gymnothorax pseudothyrsoideus | species | 2 | 0 |
| japan | okayama prefecture | anguilla japonica | species | 0 | 1 |
| japan | okinawa prefecture | anguilla bicolor pacifica | subspecies | 3 | 0 |
| japan | okinawa prefecture | anguilla japonica | species | 1 | 0 |
| japan | okinawa prefecture | anguilla luzonensis | species | 6 | 0 |
| japan | okinawa prefecture | anguilla marmorata | species | 2 | 0 |
| japan | okinawa prefecture | conger cinereus | species | 1 | 0 |
| japan | okinawa prefecture | echidna rhodochilus | species | 1 | 0 |
| japan | okinawa prefecture | gymnothorax breedeni | species | 1 | 0 |
| japan | okinawa prefecture | gymnothorax buroensis | species | 3 | 0 |
| japan | okinawa prefecture | gymnothorax chilospilus | species | 1 | 0 |
| japan | okinawa prefecture | gymnothorax eurostus | species | 1 | 0 |
| japan | okinawa prefecture | gymnothorax margaritophorus | species | 1 | 0 |
| japan | okinawa prefecture | gymnothorax meleagris | species | 6 | 0 |
| japan | okinawa prefecture | gymnothorax pictus | species | 3 | 0 |
| japan | okinawa prefecture | gymnothorax richardsonii | species | 3 | 0 |
| japan | okinawa prefecture | gymnothorax thyrsoideus | species | 3 | 0 |
| japan | okinawa prefecture | gymnothorax zonipectis | species | 3 | 0 |
| japan | okinawa prefecture | lamnostoma mindora | species | 16 | 0 |
| japan | okinawa prefecture | moringua javanica | species | 1 | 0 |
| japan | okinawa prefecture | moringua microchir | species | 1 | 0 |
| japan | okinawa prefecture | pisodonophis boro | species | 1 | 0 |
| japan | okinawa prefecture | pisodonophis cancrivorus | species | 1 | 0 |
| japan | okinawa prefecture | scolecenchelys macroptera | species | 1 | 0 |
| japan | okinawa prefecture | scuticaria tigrina | species | 1 | 0 |
| japan | okinawa prefecture | uropterygius micropterus | species | 1 | 0 |
| japan | shimane prefecture | anguilla japonica | species | 30 | 0 |
| japan | shizuoka prefecture | congriscus megastomus | species | 8 | 0 |
| japan | shizuoka prefecture | nemichthys scolopaceus | species | 1 | 0 |
| japan | shizuoka prefecture | nettastoma parviceps | species | 1 | 0 |
| japan | shizuoka prefecture | ophisurus macrorhynchos | species | 1 | 0 |
| japan | tokushima prefecture | conger myriaster | species | 27 | 0 |
| japan | tokushima prefecture | muraenesox cinereus | species | 22 | 0 |
| japan | tokyo prefecture | anguilla marmorata | species | 2 | 0 |
| japan | tokyo prefecture | gymnothorax berndti | species | 3 | 0 |
| japan | tokyo prefecture | gymnothorax margaritophorus | species | 1 | 0 |
| japan | tokyo prefecture | gymnothorax meleagris | species | 2 | 0 |
| japan | tokyo prefecture | gymnothorax pseudothyrsoideus | species | 5 | 0 |
| japan | tokyo prefecture | gymnothorax rueppellii | species | 1 | 0 |
| japan | tokyo prefecture | myrichthys colubrinus | species | 1 | 0 |
| japan | tokyo prefecture | scuticaria okinawae | species | 2 | 0 |
| japan | tokyo prefecture | scuticaria tigrina | species | 3 | 0 |
| japan | tottori prefecture | conger myriaster | species | 28 | 0 |
| japan | wakayama prefecture | anguilla japonica | species | 43 | 0 |
| japan | wakayama prefecture | gymnothorax albimarginatus | species | 3 | 0 |
| japan | wakayama prefecture | gymnothorax eurostus | species | 8 | 0 |
| japan | wakayama prefecture | gymnothorax meleagris | species | 1 | 0 |
| japan | wakayama prefecture | gymnothorax pseudothyrsoideus | species | 9 | 0 |
| japan | wakayama prefecture | gymnothorax sagmacephalus | species | 3 | 0 |
| japan | yamaguchi prefecture | anguilla japonica | species | 21 | 1 |
| japan | yamaguchi prefecture | gnathophis heterognathos | species | 24 | 0 |
| lithuania | | anguilla anguilla | species | 59 | 0 |
| lithuania | klaipeda municipality | anguilla anguilla | species | 9 | 0 |
| lithuania | utena municipality | anguilla anguilla | species | 21 | 0 |
| lithuania | vilnius municipality | anguilla anguilla | species | 30 | 0 |
| luxembourg | | anguilla anguilla | species | 0 | 1 |
| madagascar | | anguilla marmorata | species | 1 | 0 |
| madagascar | alaotra mangoro region | anguilla mossambica | species | 22 | 0 |
| malaysia | | anguilla bengalensis bengalensis | subspecies | 11 | 0 |
| malaysia | | anguilla bicolor bicolor | subspecies | 5 | 0 |
| malaysia | | anguilla marmorata | species | 4 | 0 |
| malaysia | kedah | pisodonophis cancrivorus | species | 1 | 0 |
| malaysia | pahang | anguilla bengalensis bengalensis | subspecies | 3 | 0 |
| malaysia | pahang | anguilla bicolor bicolor | subspecies | 4 | 0 |
| malaysia | perak | anguilla bengalensis bengalensis | subspecies | 9 | 0 |
| malaysia | pulau pinang | anguilla bicolor | species | 2 | 0 |
| malaysia | sabah | anguilla marmorata | species | 7 | 0 |
| malta | | conger conger | species | 5 | 0 |
| malta | | echelus myrus | species | 1 | 0 |
| malta | | muraena helena | species | 1 | 0 |
| malta | | nettastoma melanurum | species | 2 | 0 |
| mauritania | | gymnothorax afer | species | 4 | 0 |
| mauritania | | muraena robusta | species | 1 | 0 |
| mauritius | | anguilla japonica | species | 0 | 1 |
| mauritius | | gymnothorax undulatus | species | 1 | 0 |
| mauritius | | myrichthys maculosus | species | 1 | 0 |
| mexico | federal district | anguilla anguilla | species | 2 | 0 |
| mexico | federal district | ophichthus rex | species | 0 | 1 |
| mexico | quintana roo | anguilla rostrata | species | 2 | 0 |
| micronesia | | anguilla marmorata | species | 14 | 1 |
| micronesia | | anguilla nebulosa | species | 0 | 1 |
| micronesia | | gymnothorax pictus | species | 3 | 0 |
| myanmar | | pisodonophis boro | species | 1 | 0 |
| myanmar | tanintharyi division | muraenesox bagio | species | 1 | 0 |
| netherlands | | anguilla anguilla | species | 2 | 0 |
| netherlands | | anguilla japonica | species | 1 | 0 |
| netherlands | | anguilla rostrata | species | 18 | 0 |
| new caledonia | | anguilla marmorata | species | 8 | 0 |
| new caledonia | | anguilla obscura | species | 0 | 1 |
| new caledonia | | anguilla reinhardtii | species | 0 | 1 |
| new caledonia | | conger cinereus | species | 0 | 1 |
| new zealand | | anguilla australis | species | 1 | 0 |
| new zealand | otago | anguilla dieffenbachii | species | 0 | 1 |
| new zealand | waikato | anguilla australis | species | 0 | 1 |
| new zealand | waikato | anguilla dieffenbachii | species | 0 | 1 |
| new zealand | west coast | anguilla dieffenbachii | species | 0 | 1 |
| northern mariana islands | | conger cinereus | species | 1 | 0 |
| northern mariana islands | saipan municipality | conger cinereus | species | 1 | 0 |
| northern mariana islands | saipan municipality | enchelycore bayeri | species | 1 | 0 |
| northern mariana islands | saipan municipality | gymnothorax flavimarginatus | species | 1 | 0 |
| northern mariana islands | saipan municipality | gymnothorax fuscomaculatus | species | 1 | 0 |
| northern mariana islands | saipan municipality | leiuranus semicinctus | species | 1 | 0 |
| norway | | anguilla anguilla x anguilla rostrata | species | 4 | 0 |
| norway | more og romsdal county | anguilla anguilla | species | 0 | 1 |
| pakistan | | gymnothorax favagineus | species | 1 | 0 |
| pakistan | | muraenesox bagio | species | 2 | 0 |
| pakistan | | pisodonophis cancrivorus | species | 1 | 0 |
| pakistan | | strophidon sathete | species | 1 | 0 |
| palau | | protanguilla palau | species | 1 | 0 |
| panama | cocle province | anguilla rostrata | species | 1 | 0 |
| panama | colon province | anguilla rostrata | species | 1 | 0 |
| papua new guinea | | anguilla marmorata | species | 24 | 0 |
| philippines | | anguilla bicolor pacifica | subspecies | 124 | 0 |
| philippines | | anguilla luzonensis | species | 2 | 0 |
| philippines | | anguilla marmorata | species | 18 | 0 |
| philippines | | gymnothorax javanicus | species | 1 | 0 |
| philippines | autonomous region in muslim mindanao | anguilla bicolor pacifica | subspecies | 5 | 0 |
| philippines | cagayan valley region | anguilla bicolor pacifica | subspecies | 8 | 0 |
| philippines | cagayan valley region | anguilla luzonensis | species | 54 | 0 |
| philippines | cagayan valley region | anguilla marmorata | species | 15 | 0 |
| philippines | central luzon region | gymnothorax javanicus | species | 1 | 0 |
| philippines | ilocos region | muraenesox bagio | species | 1 | 0 |
| philippines | ilocos region | strophidon sathete | species | 1 | 0 |
| philippines | mimaropa region | gymnothorax flavimarginatus | species | 1 | 0 |
| philippines | mimaropa region | gymnothorax javanicus | species | 1 | 0 |
| philippines | national capital region | anguilla bicolor pacifica | subspecies | 285 | 0 |
| philippines | national capital region | anguilla marmorata | species | 3 | 0 |
| philippines | national capital region | echidna nebulosa | species | 2 | 0 |
| philippines | national capital region | rhinomuraena quaesita | species | 5 | 0 |
| philippines | soccsksargen region | anguilla bicolor pacifica | subspecies | 12 | 0 |
| philippines | soccsksargen region | anguilla interioris | species | 1 | 0 |
| philippines | soccsksargen region | anguilla malgumora | species | 1 | 0 |
| poland | west pomerania province | anguilla anguilla | species | 0 | 1 |
| portugal | | anguilla anguilla | species | 5 | 0 |
| portugal | | enchelycore anatina | species | 2 | 0 |
| portugal | | facciolella oxyrhyncha | species | 2 | 0 |
| portugal | | muraena augusti | species | 2 | 0 |
| portugal | | muraena helena | species | 1 | 0 |
| portugal | | nettastoma melanurum | species | 1 | 0 |
| portugal | | ophisurus serpens | species | 1 | 0 |
| portugal | acores autonomous region | conger conger | species | 2 | 1 |
| portugal | acores autonomous region | muraena helena | species | 2 | 0 |
| portugal | aveiro district | anguilla anguilla | species | 0 | 1 |
| reunion | | anguilla bicolor | species | 0 | 2 |
| reunion | | anguilla japonica | species | 0 | 1 |
| reunion | | anguilla marmorata | species | 0 | 1 |
| reunion | | anguilla mossambica | species | 0 | 1 |
| reunion | | anguilla rostrata | species | 0 | 1 |
| saudi arabia | | congridae sp. jp-2017 | species | 1 | 0 |
| saudi arabia | | enchelycore bayeri | species | 2 | 0 |
| saudi arabia | | gymnothorax buroensis | species | 5 | 0 |
| saudi arabia | | gymnothorax flavimarginatus | species | 1 | 0 |
| saudi arabia | | gymnothorax griseus | species | 2 | 0 |
| saudi arabia | | gymnothorax hepaticus | species | 4 | 0 |
| saudi arabia | | gymnothorax javanicus | species | 2 | 0 |
| saudi arabia | | gymnothorax pindae | species | 9 | 0 |
| saudi arabia | | gymnothorax reticularis | species | 2 | 0 |
| saudi arabia | | scuticaria tigrina | species | 1 | 0 |
| saudi arabia | | uroconger sp. jp-2017 | species | 1 | 0 |
| saudi arabia | jizan region | gymnothorax cf. margaritophorus jd-2016 | species | 1 | 0 |
| saudi arabia | jizan region | gymnothorax reticularis | species | 0 | 1 |
| saudi arabia | jizan region | muraenidae sp. 3 jd-2016 | species | 3 | 0 |
| saudi arabia | jizan region | muraenidae sp. 4 jd-2016 | species | 2 | 0 |
| saudi arabia | jizan region | muraenidae sp. 5 jd-2016 | species | 1 | 0 |
| saudi arabia | makkah region | enchelycore cf. bayeri jd-2016 | species | 1 | 0 |
| saudi arabia | makkah region | gymnothorax buroensis | species | 8 | 0 |
| saudi arabia | makkah region | gymnothorax cf. margaritophorus jd-2016 | species | 6 | 0 |
| saudi arabia | makkah region | muraenidae sp. 1 jd-2016 | species | 3 | 0 |
| saudi arabia | makkah region | muraenidae sp. 2 jd-2016 | species | 1 | 0 |
| saudi arabia | makkah region | muraenidae sp. 3 jd-2016 | species | 2 | 0 |
| saudi arabia | makkah region | muraenidae sp. 4 jd-2016 | species | 1 | 0 |
| saudi arabia | makkah region | muraenidae sp. 6 jd-2016 | species | 1 | 0 |
| saudi arabia | makkah region | muraenidae sp. 7 jd-2016 | species | 2 | 0 |
| saudi arabia | makkah region | muraenidae sp. 8 jd-2016 | species | 2 | 0 |
| seychelles | | callechelys marmorata | species | 1 | 0 |
| seychelles | | echidna leucotaenia | species | 1 | 0 |
| seychelles | | echidna polyzona | species | 1 | 0 |
| seychelles | | gymnothorax buroensis | species | 1 | 0 |
| seychelles | | gymnothorax chilospilus | species | 1 | 0 |
| seychelles | | gymnothorax griseus | species | 1 | 0 |
| seychelles | | gymnothorax margaritophorus | species | 1 | 0 |
| seychelles | | gymnothorax melatremus | species | 1 | 0 |
| seychelles | | gymnothorax polyuranodon | species | 1 | 0 |
| seychelles | | gymnothorax rueppellii | species | 1 | 0 |
| seychelles | | gymnothorax undulatus | species | 2 | 0 |
| seychelles | | gymnothorax zonipectis | species | 1 | 0 |
| seychelles | | myrichthys colubrinus | species | 1 | 0 |
| seychelles | | myrichthys maculosus | species | 1 | 0 |
| seychelles | | uropterygius xanthopterus | species | 1 | 0 |
| seychelles | port glaud district | yirrkala tenuis | species | 1 | 0 |
| south africa | | anguilla bengalensis labiata | subspecies | 1 | 0 |
| south africa | | anguilla mossambica | species | 1 | 0 |
| south africa | eastern cape province | anguilla mossambica | species | 0 | 2 |
| south africa | kwazulu-natal province | anguilla reinhardtii | species | 1 | 0 |
| south africa | kwazulu-natal province | bathycongrus wallacei | species | 1 | 0 |
| south africa | kwazulu-natal province | echidna nebulosa | species | 1 | 0 |
| south africa | kwazulu-natal province | gymnothorax eurostus | species | 1 | 0 |
| south africa | kwazulu-natal province | gymnothorax griseus | species | 1 | 0 |
| south africa | kwazulu-natal province | gymnothorax nudivomer | species | 1 | 0 |
| south africa | kwazulu-natal province | nettastoma parviceps | species | 1 | 0 |
| south korea | | anguilla japonica | species | 18 | 0 |
| south korea | | conger myriaster | species | 1 | 0 |
| south korea | | echidna nebulosa | species | 1 | 0 |
| south korea | | muraenesox bagio | species | 10 | 0 |
| south korea | | muraenesox cinereus | species | 35 | 0 |
| spain | | anguilla anguilla | species | 4 | 0 |
| spain | | muraena robusta | species | 1 | 0 |
| spain | andalusia | anguilla anguilla | species | 0 | 1 |
| spain | balearic islands | conger conger | species | 1 | 0 |
| spain | canary islands | enchelycore anatina | species | 2 | 0 |
| spain | canary islands | gymnothorax maderensis | species | 2 | 0 |
| spain | canary islands | gymnothorax polygonius | species | 2 | 0 |
| spain | canary islands | gymnothorax unicolor | species | 2 | 0 |
| spain | canary islands | muraena augusti | species | 2 | 0 |
| spain | canary islands | muraena helena | species | 2 | 0 |
| spain | valencia | anguilla anguilla | species | 0 | 4 |
| sweden | | anguilla anguilla | species | 4 | 0 |
| sweden | stockholm | anguilla anguilla | species | 0 | 1 |
| taiwan | | anguilla anguilla | species | 0 | 3 |
| taiwan | | anguilla bengalensis | species | 1 | 0 |
| taiwan | | anguilla japonica | species | 195 | 9 |
| taiwan | | anguilla marmorata | species | 26 | 3 |
| taiwan | | ariosoma meeki | species | 1 | 0 |
| taiwan | | bathycongrus wallacei | species | 3 | 0 |
| taiwan | | bathyuroconger vicinus | species | 5 | 0 |
| taiwan | | channomuraena vittata | species | 1 | 0 |
| taiwan | | conger cinereus | species | 2 | 0 |
| taiwan | | dysomma anguillare | species | 3 | 0 |
| taiwan | | echidna nebulosa | species | 4 | 0 |
| taiwan | | echidna polyzona | species | 4 | 0 |
| taiwan | | echidna xanthospilos | species | 2 | 0 |
| taiwan | | enchelycore pardalis | species | 1 | 0 |
| taiwan | | enchelynassa canina | species | 2 | 0 |
| taiwan | | gavialiceps taiwanensis | species | 3 | 0 |
| taiwan | | gymnomuraena zebra | species | 2 | 0 |
| taiwan | | gymnothorax albimarginatus | species | 0 | 1 |
| taiwan | | gymnothorax berndti | species | 1 | 0 |
| taiwan | | gymnothorax buroensis | species | 1 | 0 |
| taiwan | | gymnothorax chilospilus | species | 3 | 0 |
| taiwan | | gymnothorax eurostus | species | 2 | 0 |
| taiwan | | gymnothorax favagineus | species | 3 | 0 |
| taiwan | | gymnothorax fimbriatus | species | 1 | 0 |
| taiwan | | gymnothorax flavimarginatus | species | 1 | 0 |
| taiwan | | gymnothorax formosus | species | 1 | 0 |
| taiwan | | gymnothorax javanicus | species | 1 | 0 |
| taiwan | | gymnothorax margaritophorus | species | 1 | 0 |
| taiwan | | gymnothorax meleagris | species | 1 | 0 |
| taiwan | | gymnothorax minor | species | 2 | 0 |
| taiwan | | gymnothorax neglectus | species | 1 | 0 |
| taiwan | | gymnothorax pictus | species | 2 | 0 |
| taiwan | | gymnothorax prionodon | species | 1 | 0 |
| taiwan | | gymnothorax pseudothyrsoideus | species | 2 | 0 |
| taiwan | | gymnothorax reevesii | species | 1 | 0 |
| taiwan | | gymnothorax reticularis | species | 6 | 0 |
| taiwan | | gymnothorax rueppellii | species | 1 | 0 |
| taiwan | | gymnothorax shaoi | species | 3 | 0 |
| taiwan | | gymnothorax taiwanensis | species | 2 | 0 |
| taiwan | | gymnothorax undulatus | species | 2 | 0 |
| taiwan | | gymnothorax zonipectis | species | 1 | 0 |
| taiwan | | histiobranchus bathybius | species | 4 | 0 |
| taiwan | | ilyophis brunneus | species | 1 | 0 |
| taiwan | | macrocephenchelys brachialis | species | 1 | 0 |
| taiwan | | macrocephenchelys brevirostris | species | 1 | 0 |
| taiwan | | muraenesox cinereus | species | 14 | 1 |
| taiwan | | nemichthys scolopaceus | species | 3 | 0 |
| taiwan | | nettastoma solitarium | species | 1 | 0 |
| taiwan | | ophichthidae sp. 1 hyl-2016 | species | 16 | 0 |
| taiwan | | ophichthidae sp. 2 hyl-2016 | species | 2 | 0 |
| taiwan | | ophichthidae sp. 3 hyl-2016 | species | 2 | 0 |
| taiwan | | ophichthidae sp. 4 hyl-2016 | species | 2 | 0 |
| taiwan | | ophichthus erabo | species | 1 | 0 |
| taiwan | | ophichthus lithinus | species | 1 | 0 |
| taiwan | | ophichthus macrochir | species | 1 | 0 |
| taiwan | | oxyconger leptognathus | species | 1 | 0 |
| taiwan | | parabathymyrus brachyrhynchus | species | 1 | 0 |
| taiwan | | pisodonophis cancrivorus | species | 2 | 0 |
| taiwan | | pseudechidna brummeri | species | 0 | 1 |
| taiwan | | rhynchoconger ectenurus | species | 2 | 0 |
| taiwan | | saurenchelys fierasfer | species | 3 | 0 |
| taiwan | | saurenchelys sp. jn-2015 | species | 6 | 0 |
| taiwan | | saurenchelys taiwanensis | species | 5 | 0 |
| taiwan | | scuticaria tigrina | species | 2 | 0 |
| taiwan | | serrivomer sector | species | 1 | 0 |
| taiwan | | strophidon sathete | species | 9 | 1 |
| taiwan | | synaphobranchus affinis | species | 2 | 0 |
| taiwan | | synaphobranchus brevidorsalis | species | 2 | 0 |
| taiwan | | synaphobranchus kaupii | species | 2 | 0 |
| taiwan | | uroconger lepturus | species | 2 | 0 |
| taiwan | | uropterygius macrocephalus | species | 1 | 0 |
| taiwan | taipei municipality | anguilla japonica | species | 3 | 0 |
| taiwan | taiwan municipality | anguilla marmorata | species | 4 | 0 |
| taiwan | taiwan municipality | gymnothorax formosus | species | 61 | 0 |
| thailand | phuket province | anguilla bicolor | species | 0 | 1 |
| thailand | phuket province | diaphenchelys dalmatian | species | 10 | 0 |
| thailand | phuket province | pisodonophis boro | species | 0 | 1 |
| thailand | ranong province | pisodonophis boro | species | 0 | 1 |
| tonga | | anguilla obscura | species | 2 | 0 |
| tunisia | | anguilla anguilla | species | 3 | 0 |
| tunisia | bizerte governorate | anguilla anguilla | species | 0 | 1 |
| turkey | | anguilla anguilla | species | 20 | 0 |
| turkey | hatay province | anguilla anguilla | species | 0 | 1 |
| turkey | hatay province | conger conger | species | 1 | 0 |
| turkey | hatay province | dalophis imberbis | species | 1 | 0 |
| turkey | hatay province | echelus myrus | species | 1 | 0 |
| turkey | izmir province | anguilla anguilla | species | 1 | 0 |
| turkey | mugla province | ariosoma balearicum | species | 1 | 0 |
| turkey | mugla province | muraena helena | species | 1 | 0 |
| united kingdom | | anguilla anguilla | species | 19 | 0 |
| united kingdom | | anguilla bicolor pacifica | subspecies | 1 | 0 |
| united kingdom | | anguilla japonica | species | 14 | 0 |
| united kingdom | | anguilla marmorata | species | 1 | 0 |
| united kingdom | | anguilla rostrata | species | 5 | 0 |
| united kingdom | england | anguilla anguilla | species | 2 | 10 |
| united kingdom | england | conger conger | species | 1 | 1 |
| united kingdom | england | conger myriaster | species | 0 | 1 |
| united kingdom | scotland | anguilla anguilla | species | 8 | 3 |
| united kingdom | wales | anguilla anguilla | species | 0 | 1 |
| united states | | anguilla rostrata | species | 2 | 0 |
| united states | | ariosoma balearicum | species | 2 | 0 |
| united states | | chilorhinus suensonii | species | 5 | 0 |
| united states | | conger oceanicus | species | 1 | 0 |
| united states | | eurypharynx pelecanoides | species | 2 | 0 |
| united states | | gnathophis bathytopos | species | 3 | 0 |
| united states | | gymnothorax miliaris | species | 5 | 0 |
| united states | | gymnothorax moringa | species | 5 | 0 |
| united states | | gymnothorax vicinus | species | 1 | 0 |
| united states | | heteroconger longissimus | species | 6 | 0 |
| united states | | histiobranchus bathybius | species | 2 | 0 |
| united states | | muraena retifera | species | 1 | 0 |
| united states | | myrophis platyrhynchus | species | 8 | 0 |
| united states | | nemichthys scolopaceus | species | 4 | 0 |
| united states | | ophichthus puncticeps | species | 1 | 0 |
| united states | | ophichthus rex | species | 2 | 0 |
| united states | | synaphobranchus affinis | species | 2 | 0 |
| united states | alabama | conger oceanicus | species | 1 | 0 |
| united states | alabama | echiophis punctifer | species | 2 | 0 |
| united states | alabama | gymnothorax kolpos | species | 1 | 0 |
| united states | alabama | muraena retifera | species | 1 | 0 |
| united states | alabama | ophichthus gomesii | species | 1 | 0 |
| united states | alabama | ophichthus rex | species | 1 | 0 |
| united states | arkansas | anguilla rostrata | species | 0 | 1 |
| united states | california | facciolella gilbertii | species | 1 | 0 |
| united states | california | gymnothorax mordax | species | 0 | 1 |
| united states | california | myrophis vafer | species | 1 | 0 |
| united states | california | ophichthus zophochir | species | 1 | 0 |
| united states | california | serrivomer sector | species | 1 | 0 |
| united states | connecticut | anguilla rostrata | species | 0 | 1 |
| united states | delaware | anguilla rostrata | species | 0 | 2 |
| united states | florida | gymnothorax moringa | species | 2 | 0 |
| united states | florida | gymnothorax polygonius | species | 2 | 0 |
| united states | florida | ophichthidae sp. bold:aab7195 | species | 1 | 0 |
| united states | georgia | anguilla rostrata | species | 2 | 0 |
| united states | georgia | gymnothorax kolpos | species | 1 | 0 |
| united states | hawaii | anguilla marmorata | species | 3 | 0 |
| united states | hawaii | echidna nebulosa | species | 1 | 0 |
| united states | hawaii | enchelycore pardalis | species | 1 | 0 |
| united states | hawaii | gymnothorax elegans | species | 1 | 0 |
| united states | hawaii | gymnothorax undulatus | species | 1 | 0 |
| united states | hawaii | meadia abyssalis | species | 1 | 0 |
| united states | hawaii | myrichthys magnificus | species | 1 | 0 |
| united states | hawaii | saurenchelys taiwanensis | species | 1 | 0 |
| united states | hawaii | uropterygius macrocephalus | species | 1 | 0 |
| united states | maine | anguilla rostrata | species | 0 | 1 |
| united states | maryland | anguilla rostrata | species | 4 | 1 |
| united states | massachusetts | anguilla rostrata | species | 0 | 2 |
| united states | massachusetts | conger oceanicus | species | 4 | 0 |
| united states | mississippi | anguilla rostrata | species | 0 | 1 |
| united states | mississippi | ophichthus gomesii | species | 0 | 1 |
| united states | new jersey | anguilla rostrata | species | 0 | 1 |
| united states | new jersey | conger oceanicus | species | 2 | 0 |
| united states | new york | anguilla rostrata | species | 2 | 3 |
| united states | new york | synaphobranchus kaupii | species | 1 | 0 |
| united states | north carolina | ariosoma balearicum | species | 1 | 0 |
| united states | north carolina | myrophis punctatus | species | 1 | 0 |
| united states | palmyra atoll | anguilla marmorata | species | 3 | 0 |
| united states | rhode island | anguilla rostrata | species | 0 | 1 |
| united states | south carolina | anguilla rostrata | species | 0 | 2 |
| united states | south carolina | gymnothorax kolpos | species | 1 | 0 |
| united states | south carolina | gymnothorax maderensis | species | 1 | 0 |
| united states | south carolina | gymnothorax moringa | species | 0 | 1 |
| united states | texas | gymnothorax nigromarginatus | species | 1 | 0 |
| united states | texas | hoplunnis macrura | species | 1 | 0 |
| united states | texas | myrophis punctatus | species | 18 | 0 |
| united states | texas | ophichthus gomesii | species | 1 | 0 |
| united states | texas | uroconger syringinus | species | 1 | 0 |
| united states | virginia | conger oceanicus | species | 6 | 0 |
| united states | virginia | myrophis punctatus | species | 1 | 0 |
| united states | wisconsin | ahlia egmontis | species | 1 | 0 |
| united states | wisconsin | anguilla rostrata | species | 2 | 0 |
| united states | wisconsin | aprognathodon platyventris | species | 1 | 0 |
| united states | wisconsin | callechelys muraena | species | 2 | 0 |
| united states | wisconsin | chilorhinus suensonii | species | 5 | 0 |
| united states | wisconsin | chlopsis dentatus | species | 1 | 0 |
| united states | wisconsin | conger oceanicus | species | 1 | 0 |
| united states | wisconsin | facciolella oxyrhyncha | species | 1 | 0 |
| united states | wisconsin | gymnothorax funebris | species | 3 | 0 |
| united states | wisconsin | gymnothorax kolpos | species | 6 | 0 |
| united states | wisconsin | gymnothorax moringa | species | 10 | 0 |
| united states | wisconsin | gymnothorax nigromarginatus | species | 3 | 0 |
| united states | wisconsin | gymnothorax ocellatus | species | 6 | 0 |
| united states | wisconsin | gymnothorax saxicola | species | 1 | 0 |
| united states | wisconsin | heteroconger longissimus | species | 1 | 0 |
| united states | wisconsin | heteroconger luteolus | species | 8 | 0 |
| united states | wisconsin | hoplunnis macrura | species | 10 | 0 |
| united states | wisconsin | hoplunnis tenuis | species | 10 | 0 |
| united states | wisconsin | kaupichthys nuchalis | species | 3 | 0 |
| united states | wisconsin | moringua edwardsi | species | 10 | 0 |
| united states | wisconsin | myrichthys breviceps | species | 6 | 0 |
| united states | wisconsin | myrichthys ocellatus | species | 1 | 0 |
| united states | wisconsin | nemichthys curvirostris | species | 10 | 0 |
| united states | wisconsin | neoconger mucronatus | species | 1 | 0 |
| united states | wisconsin | nessorhamphus ingolfianus | species | 1 | 0 |
| united states | wisconsin | nettastoma melanurum | species | 1 | 0 |
| united states | wisconsin | ophichthus rex | species | 2 | 0 |
| united states | wisconsin | paraconger caudilimbatus | species | 14 | 0 |
| united states | wisconsin | rhynchoconger flavus | species | 10 | 0 |
| united states | wisconsin | rhynchoconger gracilior | species | 10 | 0 |
| united states | wisconsin | robinsia catherinae | species | 2 | 0 |
| united states | wisconsin | serrivomer beanii | species | 1 | 0 |
| united states | wisconsin | uroconger syringinus | species | 9 | 0 |
| united states | wisconsin | uropterygius macularius | species | 4 | 0 |
| united states minor outlying islands | palmyra atoll | anguilla marmorata | species | 3 | 0 |
| vanuatu | torba province | anguilla marmorata | species | 31 | 0 |
| vanuatu | torba province | anguilla megastoma | species | 42 | 0 |
| vanuatu | torba province | anguilla obscura | species | 7 | 0 |
| vietnam | | anguilla bicolor pacifica | subspecies | 51 | 0 |
| vietnam | | anguilla marmorata | species | 31 | 0 |
| vietnam | ha noi city | anguilla marmorata | species | 48 | 0 |
| vietnam | phu yen province | anguilla marmorata | species | 3 | 0 |