| albania | | gobius bucchichi | species | 9 | 0 |
| albania | | gobius cobitis | species | 4 | 0 |
| cape verde | sao vicente municipality | gobius ateriformis | species | 2 | 0 |
| cape verde | sao vicente municipality | gobius sp. bold:acu5095 | species | 2 | 0 |
| cape verde | sao vicente municipality | gobius tetrophthalmus | species | 1 | 0 |
| croatia | | gobius couchi | species | 4 | 0 |
| croatia | dubrovnik-neretva county | gobius cobitis | species | 1 | 0 |
| croatia | dubrovnik-neretva county | gobius paganellus | species | 63 | 0 |
| croatia | primorje-gorski kotar county | gobius auratus | species | 8 | 0 |
| croatia | primorje-gorski kotar county | gobius bucchichi | species | 1 | 0 |
| croatia | primorje-gorski kotar county | gobius couchi | species | 138 | 0 |
| croatia | primorje-gorski kotar county | gobius fallax | species | 103 | 0 |
| croatia | sibenik-knin county | gobius auratus | species | 15 | 0 |
| croatia | sibenik-knin county | gobius fallax | species | 1 | 0 |
| croatia | split-dalmatia county | gobius fallax | species | 1 | 0 |
| croatia | split-dalmatia county | gobius incognitus | species | 59 | 0 |
| cyprus | | gobius cruentatus | species | 9 | 0 |
| cyprus | | gobius geniporus | species | 70 | 0 |
| france | | gobius gasteveni | species | 1 | 0 |
| france | bretagne region | gobius cobitis | species | 1 | 0 |
| france | bretagne region | gobius cruentatus | species | 1 | 0 |
| france | bretagne region | gobius niger | species | 1 | 0 |
| france | bretagne region | gobius paganellus | species | 1 | 1 |
| france | corse region | gobius geniporus | species | 0 | 1 |
| france | corse region | gobius kolombatovici | species | 1 | 0 |
| france | provence-alpes-cote d'azur region | gobius incognitus | species | 3 | 0 |
| france | provence-alpes-cote d'azur region | gobius xanthocephalus | species | 1 | 0 |
| greece | ionian islands region | gobius couchi | species | 5 | 0 |
| israel | | gobius niger | species | 1 | 0 |
| italy | | gobius bucchichi | species | 2 | 0 |
| italy | | gobius cobitis | species | 2 | 0 |
| italy | | gobius cruentatus | species | 2 | 0 |
| italy | | gobius niger | species | 2 | 0 |
| italy | | gobius paganellus | species | 2 | 0 |
| italy | sardinia autonomous region | gobius cobitis | species | 0 | 1 |
| italy | sicily autonomous region | gobius cruentatus | species | 36 | 0 |
| italy | sicily autonomous region | gobius geniporus | species | 46 | 0 |
| montenegro | budva | gobius incognitus | species | 7 | 0 |
| portugal | | gobius niger | species | 1 | 0 |
| portugal | faro district | gobius cruentatus | species | 12 | 0 |
| portugal | faro district | gobius gasteveni | species | 7 | 0 |
| portugal | setubal district | gobius xanthocephalus | species | 2 | 0 |
| slovenia | municipality of piran | gobius fallax | species | 2 | 0 |
| spain | balearic islands | gobius cobitis | species | 1 | 0 |
| spain | balearic islands | gobius geniporus | species | 1 | 0 |
| spain | balearic islands | gobius incognitus | species | 2 | 0 |
| spain | balearic islands | gobius kolombatovici | species | 1 | 0 |
| spain | balearic islands | gobius paganellus | species | 1 | 0 |
| spain | catalonia | gobius couchi | species | 1 | 0 |
| spain | galicia | gobius cruentatus | species | 11 | 0 |
| spain | galicia | gobius gasteveni | species | 2 | 0 |
| spain | galicia | gobius xanthocephalus | species | 1 | 0 |
| sweden | | gobius niger | species | 3 | 0 |
| sweden | vastra gotaland | gobius niger | species | 2 | 0 |
| tunisia | bizerte governorate | gobius niger | species | 0 | 1 |
| turkey | | gobius niger | species | 22 | 0 |
| turkey | | gobius paganellus | species | 2 | 0 |
| turkey | antalya province | gobius cruentatus | species | 1 | 0 |
| turkey | balikesir province | gobius auratus | species | 1 | 0 |
| turkey | balikesir province | gobius couchi | species | 1 | 0 |
| turkey | balikesir province | gobius geniporus | species | 1 | 0 |
| turkey | balikesir province | gobius niger | species | 1 | 0 |
| turkey | balikesir province | gobius paganellus | species | 1 | 0 |
| turkey | balikesir province | gobius sp. aby-2017 | species | 1 | 0 |
| turkey | canakkale province | gobius bucchichi | species | 1 | 0 |
| turkey | izmir province | gobius niger | species | 0 | 1 |
| turkey | manisa province | gobius auratus | species | 2 | 0 |
| turkey | manisa province | gobius couchi | species | 1 | 0 |
| turkey | mugla province | gobius cobitis | species | 1 | 0 |
| turkey | mugla province | gobius fallax | species | 1 | 0 |
| turkey | mugla province | gobius geniporus | species | 1 | 0 |
| turkey | mugla province | gobius niger | species | 1 | 0 |
| turkey | mugla province | gobius paganellus | species | 1 | 0 |
| turkey | mugla province | gobius roulei | species | 2 | 0 |
| turkey | mugla province | gobius vittatus | species | 1 | 0 |
| united kingdom | england | gobius niger | species | 4 | 0 |
| united kingdom | england | gobius paganellus | species | 4 | 0 |