| austria | | cottus gobio | species | 7 | 0 |
| austria | carinthia | cottus gobio | species | 3 | 0 |
| austria | lower austria | cottus gobio | species | 2 | 0 |
| austria | styria | cottus gobio | species | 4 | 0 |
| austria | tyrol | cottus gobio | species | 13 | 0 |
| austria | upper austria | cottus gobio | species | 8 | 0 |
| belgium | flemish region | cottus perifretum | species | 2 | 0 |
| canada | | artediellus atlanticus | species | 2 | 0 |
| canada | | cottus aleuticus | species | 38 | 0 |
| canada | | cottus asper | species | 3 | 0 |
| canada | | cottus cognatus | species | 5 | 0 |
| canada | | cottus rhotheus | species | 1 | 0 |
| canada | | cottus ricei | species | 1 | 0 |
| canada | | icelus bicornis | species | 1 | 0 |
| canada | | icelus spatula | species | 1 | 0 |
| canada | | myoxocephalus aenaeus | species | 2 | 0 |
| canada | | myoxocephalus octodecemspinosus | species | 1 | 0 |
| canada | | myoxocephalus quadricornis | species | 1 | 0 |
| canada | | myoxocephalus scorpius | species | 5 | 0 |
| canada | | myoxocephalus thompsonii | species | 5 | 0 |
| canada | | triglops nybelini | species | 10 | 0 |
| canada | alberta | cottus cognatus | species | 0 | 2 |
| canada | alberta | cottus ricei | species | 4 | 0 |
| canada | british columbia | artedius fenestralis | species | 13 | 0 |
| canada | british columbia | artedius lateralis | species | 3 | 0 |
| canada | british columbia | ascelichthys rhodorus | species | 3 | 0 |
| canada | british columbia | chitonotus pugetensis | species | 4 | 0 |
| canada | british columbia | clinocottus acuticeps | species | 6 | 0 |
| canada | british columbia | clinocottus globiceps | species | 24 | 0 |
| canada | british columbia | cottus aleuticus | species | 2 | 0 |
| canada | british columbia | cottus cognatus | species | 0 | 1 |
| canada | british columbia | cottus hubbsi | species | 1 | 0 |
| canada | british columbia | cottus rhotheus | species | 2 | 0 |
| canada | british columbia | enophrys bison | species | 3 | 0 |
| canada | british columbia | hemilepidotus hemilepidotus | species | 11 | 0 |
| canada | british columbia | icelinus burchami | species | 3 | 0 |
| canada | british columbia | icelinus filamentosus | species | 13 | 0 |
| canada | british columbia | icelus spiniger | species | 1 | 0 |
| canada | british columbia | leptocottus armatus | species | 14 | 0 |
| canada | british columbia | oligocottus maculosus | species | 29 | 0 |
| canada | british columbia | oligocottus snyderi | species | 14 | 0 |
| canada | british columbia | radulinus asprellus | species | 12 | 0 |
| canada | british columbia | scorpaenichthys marmoratus | species | 3 | 0 |
| canada | manitoba | cottus cognatus | species | 1 | 0 |
| canada | manitoba | cottus ricei | species | 10 | 0 |
| canada | manitoba | gymnocanthus tricuspis | species | 2 | 0 |
| canada | manitoba | myoxocephalus quadricornis | species | 9 | 0 |
| canada | manitoba | myoxocephalus scorpioides | species | 6 | 0 |
| canada | manitoba | myoxocephalus scorpius | species | 1 | 0 |
| canada | new brunswick | artediellus atlanticus | species | 1 | 0 |
| canada | new brunswick | artediellus uncinatus | species | 3 | 0 |
| canada | new brunswick | cottus cognatus | species | 0 | 5 |
| canada | new brunswick | gymnocanthus tricuspis | species | 3 | 0 |
| canada | new brunswick | icelus spatula | species | 3 | 0 |
| canada | new brunswick | myoxocephalus octodecemspinosus | species | 3 | 0 |
| canada | new brunswick | myoxocephalus scorpius | species | 1 | 0 |
| canada | new brunswick | triglops nybelini | species | 3 | 0 |
| canada | newfoundland and labrador | artediellus atlanticus | species | 1 | 0 |
| canada | newfoundland and labrador | icelus spatula | species | 1 | 0 |
| canada | newfoundland and labrador | myoxocephalus scorpius | species | 8 | 0 |
| canada | newfoundland and labrador | triglops nybelini | species | 3 | 0 |
| canada | northwest territories | cottus cognatus | species | 9 | 2 |
| canada | nova scotia | artediellus atlanticus | species | 4 | 0 |
| canada | nova scotia | artediellus uncinatus | species | 1 | 0 |
| canada | nova scotia | cottus gobio | species | 0 | 1 |
| canada | nova scotia | icelus bicornis | species | 2 | 0 |
| canada | nova scotia | icelus spatula | species | 1 | 0 |
| canada | nova scotia | myoxocephalus aenaeus | species | 5 | 0 |
| canada | nova scotia | myoxocephalus octodecemspinosus | species | 15 | 0 |
| canada | nova scotia | myoxocephalus scorpius | species | 3 | 0 |
| canada | nova scotia | triglops murrayi | species | 3 | 0 |
| canada | nova scotia | triglops nybelini | species | 11 | 0 |
| canada | nova scotia | triglops pingelii | species | 2 | 0 |
| canada | nunavut | artediellus atlanticus | species | 1 | 0 |
| canada | nunavut | icelus bicornis | species | 1 | 0 |
| canada | nunavut | icelus spatula | species | 2 | 0 |
| canada | nunavut | myoxocephalus quadricornis | species | 2 | 0 |
| canada | nunavut | myoxocephalus scorpius | species | 1 | 0 |
| canada | nunavut | triglops pingelii | species | 2 | 0 |
| canada | ontario | cottus bairdii | species | 1 | 0 |
| canada | ontario | cottus cognatus | species | 0 | 5 |
| canada | ontario | cottus gobio | species | 0 | 5 |
| canada | ontario | cottus ricei | species | 2 | 0 |
| canada | ontario | myoxocephalus quadricornis | species | 0 | 1 |
| canada | ontario | myoxocephalus thompsonii | species | 9 | 1 |
| canada | quebec | artediellus uncinatus | species | 1 | 0 |
| canada | quebec | cottus bairdii | species | 6 | 0 |
| canada | quebec | cottus ricei | species | 5 | 0 |
| canada | quebec | gymnocanthus tricuspis | species | 1 | 0 |
| canada | quebec | myoxocephalus octodecemspinosus | species | 1 | 0 |
| canada | quebec | myoxocephalus quadricornis | species | 2 | 0 |
| canada | quebec | myoxocephalus scorpius | species | 2 | 0 |
| canada | quebec | triglops murrayi | species | 1 | 0 |
| canada | quebec | triglops nybelini | species | 1 | 0 |
| canada | yukon | cottus cognatus | species | 0 | 1 |
| canada | yukon | icelus spatula | species | 2 | 0 |
| china | | cottiusculus sp. xrl-2015 | species | 3 | 0 |
| china | | cottus dzungaricus | species | 1 | 0 |
| china | | trachidermus fasciatus | species | 2 | 0 |
| china | jiangxi | cottus gobio | species | 0 | 1 |
| croatia | | cottus gobio | species | 8 | 0 |
| denmark | | myoxocephalus scorpius | species | 1 | 0 |
| finland | | myoxocephalus quadricornis | species | 1 | 0 |
| france | | cottus duranii | species | 1 | 0 |
| france | | cottus hispaniolensis | species | 1 | 0 |
| france | aquitaine region | cottus gobio | species | 6 | 0 |
| france | picardie region | cottus gobio | species | 0 | 1 |
| france | provence-alpes-cote d'azur region | cottus gobio | species | 4 | 0 |
| france | rhone-alpes region | cottus cf. rondeleti bold:abx6144 | species | 1 | 0 |
| france | rhone-alpes region | cottus gobio | species | 4 | 0 |
| germany | | cottus microstomus | species | 2 | 0 |
| germany | | cottus rhenanus | species | 14 | 0 |
| germany | bavaria | cottus gobio | species | 11 | 0 |
| germany | hesse | cottus rhenanus | species | 2 | 0 |
| germany | lower saxony | cottus gobio | species | 4 | 0 |
| germany | north rhine-westphalia | cottus rhenanus | species | 3 | 0 |
| germany | rhineland-palatinate | cottus gobio | species | 34 | 0 |
| germany | rhineland-palatinate | cottus rhenanus | species | 8 | 0 |
| greenland | | artediellus atlanticus | species | 4 | 0 |
| greenland | | myoxocephalus quadricornis | species | 3 | 0 |
| italy | | cottus gobio | species | 2 | 0 |
| italy | | cottus scaturigo | species | 1 | 0 |
| italy | tuscany region | cottus gobio | species | 3 | 0 |
| italy | umbria region | cottus scaturigo | species | 4 | 0 |
| japan | | cottus hangiongensis | species | 16 | 0 |
| japan | | cottus nozawae | species | 1 | 0 |
| japan | | cottus pollux | species | 100 | 0 |
| japan | | enophrys diceraus | species | 1 | 0 |
| japan | | icelus mororanis | species | 1 | 0 |
| japan | | myoxocephalus brandtii | species | 61 | 0 |
| japan | | myoxocephalus polyacanthocephalus | species | 12 | 0 |
| japan | | myoxocephalus stelleri | species | 34 | 0 |
| japan | | triglops jordani | species | 1 | 0 |
| japan | akita prefecture | cottiusculus nihonkaiensis | species | 4 | 0 |
| japan | akita prefecture | cottus pollux | species | 5 | 0 |
| japan | akita prefecture | cottus reinii | species | 1 | 0 |
| japan | aomori prefecture | cottiusculus nihonkaiensis | species | 68 | 0 |
| japan | aomori prefecture | cottiusculus schmidti | species | 72 | 0 |
| japan | aomori prefecture | cottus hangiongensis | species | 1 | 0 |
| japan | aomori prefecture | cottus nozawae | species | 1 | 0 |
| japan | aomori prefecture | gymnocanthus intermedius | species | 1 | 0 |
| japan | aomori prefecture | porocottus coronatus | species | 4 | 0 |
| japan | chiba prefecture | furcina osimae | species | 12 | 0 |
| japan | chiba prefecture | ocynectes maschalis | species | 16 | 0 |
| japan | chiba prefecture | ocynectes modestus | species | 4 | 0 |
| japan | chiba prefecture | pseudoblennius marmoratus | species | 11 | 0 |
| japan | chiba prefecture | pseudoblennius percoides | species | 2 | 0 |
| japan | fukui prefecture | cottus kazika | species | 6 | 0 |
| japan | fukui prefecture | cottus pollux | species | 3 | 0 |
| japan | fukui prefecture | pseudoblennius percoides | species | 2 | 0 |
| japan | fukuoka prefecture | cottus pollux | species | 2 | 1 |
| japan | fukuoka prefecture | trachidermus fasciatus | species | 8 | 0 |
| japan | fukushima prefecture | cottiusculus nihonkaiensis | species | 1 | 0 |
| japan | fukushima prefecture | cottiusculus schmidti | species | 50 | 0 |
| japan | fukushima prefecture | cottiusculus sp. faku 130516 | species | 1 | 0 |
| japan | fukushima prefecture | cottus pollux | species | 20 | 0 |
| japan | hiroshima prefecture | cottus pollux | species | 1 | 0 |
| japan | hokkaido prefecture | argyrocottus zanderi | species | 6 | 0 |
| japan | hokkaido prefecture | artediellus neyelovi | species | 4 | 0 |
| japan | hokkaido prefecture | bero elegans | species | 6 | 0 |
| japan | hokkaido prefecture | cottus amblystomopsis | species | 5 | 0 |
| japan | hokkaido prefecture | cottus hangiongensis | species | 2 | 0 |
| japan | hokkaido prefecture | cottus nozawae | species | 32 | 0 |
| japan | hokkaido prefecture | cottus pollux | species | 4 | 0 |
| japan | hokkaido prefecture | enophrys diceraus | species | 1 | 0 |
| japan | hokkaido prefecture | gymnocanthus herzensteini | species | 2 | 0 |
| japan | hokkaido prefecture | gymnocanthus intermedius | species | 1 | 0 |
| japan | hokkaido prefecture | hemilepidotus gilberti | species | 3 | 0 |
| japan | hokkaido prefecture | icelus cataphractus | species | 11 | 0 |
| japan | hokkaido prefecture | icelus gilberti | species | 1 | 0 |
| japan | hokkaido prefecture | icelus mororanis | species | 6 | 0 |
| japan | hokkaido prefecture | icelus sekii | species | 6 | 0 |
| japan | hokkaido prefecture | icelus stenosomus | species | 3 | 0 |
| japan | hokkaido prefecture | myoxocephalus brandtii | species | 1 | 0 |
| japan | hokkaido prefecture | myoxocephalus jaok | species | 1 | 0 |
| japan | hokkaido prefecture | myoxocephalus stelleri | species | 5 | 0 |
| japan | hokkaido prefecture | porocottus allisi | species | 10 | 0 |
| japan | hokkaido prefecture | pseudoblennius sp. kirin-anahaze | species | 4 | 0 |
| japan | hokkaido prefecture | radulinopsis derjavini | species | 1 | 0 |
| japan | hokkaido prefecture | radulinopsis taranetzi | species | 7 | 0 |
| japan | hokkaido prefecture | triglops jordani | species | 4 | 0 |
| japan | hyogo prefecture | cottus sp. me | species | 1 | 0 |
| japan | hyogo prefecture | ocynectes maschalis | species | 4 | 0 |
| japan | hyogo prefecture | pseudoblennius cottoides | species | 1 | 0 |
| japan | ishikawa prefecture | cottiusculus gonez | species | 1 | 0 |
| japan | ishikawa prefecture | cottiusculus nihonkaiensis | species | 2 | 0 |
| japan | iwate prefecture | cottiusculus schmidti | species | 2 | 0 |
| japan | iwate prefecture | cottus pollux | species | 3 | 0 |
| japan | iwate prefecture | porocottus allisi | species | 3 | 0 |
| japan | iwate prefecture | pseudoblennius cottoides | species | 1 | 0 |
| japan | kanagawa prefecture | ocynectes maschalis | species | 2 | 0 |
| japan | kanagawa prefecture | pseudoblennius marmoratus | species | 2 | 0 |
| japan | kochi prefecture | stlengis misakia | species | 1 | 0 |
| japan | kyoto prefecture | alcichthys elongatus | species | 2 | 0 |
| japan | kyoto prefecture | artediellus fuscimentus | species | 1 | 0 |
| japan | kyoto prefecture | cottiusculus gonez | species | 1 | 0 |
| japan | kyoto prefecture | cottiusculus nihonkaiensis | species | 22 | 0 |
| japan | kyoto prefecture | cottiusculus sp. faku 130465 | species | 1 | 0 |
| japan | kyoto prefecture | cottiusculus sp. faku 130664 | species | 1 | 0 |
| japan | kyoto prefecture | cottiusculus sp. faku 130665 | species | 1 | 0 |
| japan | kyoto prefecture | cottiusculus sp. faku 130666 | species | 1 | 0 |
| japan | kyoto prefecture | cottiusculus sp. faku 130711 | species | 1 | 0 |
| japan | kyoto prefecture | cottiusculus sp. faku 130712 | species | 1 | 0 |
| japan | kyoto prefecture | cottus pollux | species | 27 | 0 |
| japan | kyoto prefecture | furcina osimae | species | 1 | 0 |
| japan | kyoto prefecture | pseudoblennius cottoides | species | 2 | 0 |
| japan | kyoto prefecture | pseudoblennius percoides | species | 2 | 0 |
| japan | kyoto prefecture | pseudoblennius sp. kirin-anahaze | species | 1 | 0 |
| japan | mie prefecture | cottus pollux | species | 29 | 0 |
| japan | miyagi ken prefecture | cottus pollux | species | 6 | 0 |
| japan | miyagi ken prefecture | furcina osimae | species | 1 | 0 |
| japan | miyagi ken prefecture | icelinus pietschi | species | 4 | 0 |
| japan | miyagi ken prefecture | myoxocephalus stelleri | species | 1 | 0 |
| japan | miyagi ken prefecture | porocottus allisi | species | 1 | 0 |
| japan | miyagi ken prefecture | pseudoblennius cottoides | species | 1 | 0 |
| japan | nagano prefecture | cottus pollux | species | 4 | 0 |
| japan | nagasaki prefecture | pseudoblennius cottoides | species | 4 | 0 |
| japan | nagasaki prefecture | pseudoblennius percoides | species | 4 | 0 |
| japan | nagasaki prefecture | trachidermus fasciatus | species | 2 | 0 |
| japan | niigata prefecture | cottiusculus nihonkaiensis | species | 32 | 0 |
| japan | niigata prefecture | cottus kazika | species | 1 | 0 |
| japan | niigata prefecture | cottus pollux | species | 6 | 0 |
| japan | niigata prefecture | furcina osimae | species | 4 | 0 |
| japan | niigata prefecture | icelus stenosomus | species | 1 | 0 |
| japan | niigata prefecture | pseudoblennius marmoratus | species | 4 | 0 |
| japan | niigata prefecture | ricuzenius pinetorum | species | 1 | 0 |
| japan | okayama prefecture | cottus pollux | species | 8 | 0 |
| japan | saga prefecture | cottus pollux | species | 2 | 0 |
| japan | saga prefecture | trachidermus fasciatus | species | 4 | 0 |
| japan | shiga prefecture | cottus pollux | species | 24 | 0 |
| japan | shiga prefecture | cottus reinii | species | 37 | 0 |
| japan | shimane prefecture | cottiusculus nihonkaiensis | species | 4 | 0 |
| japan | shimane prefecture | cottiusculus sp. faku 130684 | species | 1 | 0 |
| japan | shimane prefecture | cottus pollux | species | 1 | 0 |
| japan | shimane prefecture | icelus cataphractus | species | 1 | 0 |
| japan | shizuoka prefecture | cottus kazika | species | 1 | 0 |
| japan | shizuoka prefecture | stlengis misakia | species | 1 | 0 |
| japan | tochigi prefecture | cottus pollux | species | 3 | 0 |
| japan | tokyo prefecture | cottus pollux | species | 2 | 0 |
| japan | toyama prefecture | cottus hangiongensis | species | 1 | 0 |
| japan | wakayama prefecture | pseudoblennius percoides | species | 1 | 0 |
| japan | yamagata prefecture | cottus kazika | species | 2 | 0 |
| japan | yamagata prefecture | cottus nozawae | species | 6 | 0 |
| japan | yamagata prefecture | cottus pollux | species | 10 | 0 |
| japan | yamagata prefecture | cottus reinii | species | 1 | 0 |
| japan | yamaguchi prefecture | cottiusculus nihonkaiensis | species | 4 | 0 |
| japan | yamaguchi prefecture | cottus kazika | species | 4 | 0 |
| netherlands | | myoxocephalus scorpius | species | 1 | 0 |
| new caledonia | | myoxocephalus scorpius | species | 0 | 1 |
| new zealand | waikato | cottus gobio | species | 0 | 1 |
| norway | | myoxocephalus scorpius | species | 4 | 0 |
| norway | more og romsdal county | myoxocephalus scorpius | species | 0 | 1 |
| norway | vest-agder county | triglops murrayi | species | 1 | 0 |
| poland | | cottus microstomus | species | 5 | 0 |
| russia | | argyrocottus zanderi | species | 4 | 0 |
| russia | | cottus volki | species | 3 | 0 |
| russia | | megalocottus platycephalus | species | 3 | 0 |
| russia | | microcottus sellaris | species | 4 | 0 |
| russia | | myoxocephalus brandtii | species | 7 | 0 |
| russia | | myoxocephalus jaok | species | 6 | 0 |
| russia | | myoxocephalus ochotensis | species | 3 | 0 |
| russia | | myoxocephalus stelleri | species | 6 | 0 |
| russia | | radulinopsis derjavini | species | 4 | 0 |
| russia | | radulinopsis taranetzi | species | 4 | 0 |
| russia | amur oblast | cottus cognatus | species | 7 | 0 |
| russia | amur oblast | mesocottus haitej | species | 0 | 1 |
| russia | chukotka autonomous okrug | gymnocanthus tricuspis | species | 1 | 0 |
| russia | kamchatka krai | enophrys diceraus | species | 18 | 0 |
| russia | kamchatka krai | gymnocanthus pistilliger | species | 2 | 0 |
| russia | kamchatka krai | megalocottus platycephalus | species | 3 | 0 |
| russia | kamchatka krai | myoxocephalus ochotensis | species | 3 | 0 |
| russia | kamchatka krai | myoxocephalus stelleri | species | 18 | 0 |
| russia | khabarovsk krai | myoxocephalus jaok | species | 3 | 0 |
| russia | primorsky krai | cottus amblystomopsis | species | 1 | 0 |
| russia | primorsky krai | cottus czerskii | species | 2 | 0 |
| russia | primorsky krai | cottus gobio | species | 0 | 1 |
| russia | primorsky krai | cottus szanaga | species | 3 | 0 |
| russia | primorsky krai | cottus volki | species | 3 | 0 |
| russia | primorsky krai | enophrys diceraus | species | 12 | 0 |
| russia | primorsky krai | megalocottus platycephalus | species | 2 | 0 |
| russia | primorsky krai | microcottus sellaris | species | 4 | 0 |
| russia | primorsky krai | myoxocephalus polyacanthocephalus | species | 2 | 0 |
| russia | primorsky krai | myoxocephalus stelleri | species | 5 | 0 |
| russia | sakhalin oblast | cottus gobio | species | 0 | 1 |
| russia | sakhalin oblast | megalocottus platycephalus | species | 119 | 0 |
| russia | sakhalin oblast | porocottus camtschaticus | species | 1 | 0 |
| russia | sverdlovsk oblast | enophrys diceraus | species | 5 | 0 |
| russia | sverdlovsk oblast | gymnocanthus galeatus | species | 3 | 0 |
| russia | sverdlovsk oblast | gymnocanthus tricuspis | species | 4 | 0 |
| russia | sverdlovsk oblast | hemilepidotus gilberti | species | 5 | 0 |
| russia | sverdlovsk oblast | icelus spatula | species | 4 | 0 |
| russia | sverdlovsk oblast | trichocottus brashnikovi | species | 3 | 0 |
| russia | sverdlovsk oblast | triglops scepticus | species | 1 | 0 |
| slovenia | | cottus gobio | species | 16 | 0 |
| south korea | | cottus hangiongensis | species | 2 | 0 |
| south korea | | cottus koreanus | species | 8 | 0 |
| south korea | | cottus poecilopus | species | 1 | 0 |
| svalbard and jan mayen | svalbard | gymnocanthus tricuspis | species | 1 | 0 |
| sweden | | cottus gobio | species | 6 | 0 |
| sweden | | cottus poecilopus | species | 2 | 0 |
| sweden | | myoxocephalus quadricornis | species | 4 | 0 |
| sweden | | myoxocephalus scorpius | species | 4 | 0 |
| sweden | | taurulus bubalis | species | 4 | 0 |
| switzerland | geneva region | cottus gobio | species | 1 | 1 |
| turkey | sinop province | myoxocephalus scorpius | species | 0 | 1 |
| united kingdom | | cottus gobio | species | 7 | 0 |
| united kingdom | england | cottus gobio | species | 1 | 4 |
| united kingdom | england | cottus perifretum | species | 1 | 1 |
| united kingdom | england | myoxocephalus scorpius | species | 3 | 0 |
| united kingdom | england | taurulus bubalis | species | 2 | 0 |
| united kingdom | scotland | cottus gobio | species | 0 | 1 |
| united kingdom | scotland | myoxocephalus scorpius | species | 25 | 0 |
| united kingdom | wales | cottus gobio | species | 0 | 1 |
| united states | | artedius lateralis | species | 4 | 0 |
| united states | | ascelichthys rhodorus | species | 4 | 0 |
| united states | | cottus aleuticus | species | 120 | 0 |
| united states | | cottus asper | species | 1475 | 0 |
| united states | | cottus asperrimus | species | 6 | 0 |
| united states | | cottus bairdii | species | 4 | 0 |
| united states | | cottus beldingii | species | 22 | 0 |
| united states | | cottus cognatus | species | 19 | 0 |
| united states | | cottus confusus | species | 70 | 0 |
| united states | | cottus greenei | species | 3 | 0 |
| united states | | cottus gulosus | species | 1 | 0 |
| united states | | cottus klamathensis | species | 10 | 0 |
| united states | | cottus leiopomus | species | 30 | 0 |
| united states | | cottus pitensis | species | 3 | 0 |
| united states | | cottus princeps | species | 3 | 0 |
| united states | | cottus rhotheus | species | 44 | 0 |
| united states | | cottus ricei | species | 1 | 0 |
| united states | | cottus sp. mky-2013 | species | 284 | 0 |
| united states | | cottus sp. 'nippenose valley' | species | 2 | 0 |
| united states | | cottus tenuis | species | 5 | 0 |
| united states | | enophrys bison | species | 4 | 0 |
| united states | | enophrys taurina | species | 1 | 0 |
| united states | | gymnocanthus tricuspis | species | 10 | 0 |
| united states | | jordania zonope | species | 4 | 0 |
| united states | | leptocottus armatus | species | 1 | 0 |
| united states | | myoxocephalus polyacanthocephalus | species | 35 | 0 |
| united states | | oligocottus maculosus | species | 4 | 0 |
| united states | | oligocottus snyderi | species | 4 | 0 |
| united states | alabama | cottus carolinae | species | 10 | 0 |
| united states | alabama | cottus cf. carolinae bold:aab3522 | species | 5 | 0 |
| united states | alabama | cottus gobio | species | 0 | 2 |
| united states | alabama | cottus tallapoosae | species | 5 | 0 |
| united states | alaska | alcichthys elongatus | species | 4 | 0 |
| united states | alaska | artediellus atlanticus | species | 1 | 0 |
| united states | alaska | artediellus scaber | species | 10 | 0 |
| united states | alaska | artedius fenestralis | species | 19 | 0 |
| united states | alaska | artedius harringtoni | species | 15 | 0 |
| united states | alaska | artedius lateralis | species | 19 | 0 |
| united states | alaska | asemichthys taylori | species | 4 | 0 |
| united states | alaska | clinocottus acuticeps | species | 36 | 0 |
| united states | alaska | clinocottus embryum | species | 52 | 0 |
| united states | alaska | clinocottus globiceps | species | 7 | 0 |
| united states | alaska | cottus aleuticus | species | 8 | 2 |
| united states | alaska | cottus cognatus | species | 6 | 1 |
| united states | alaska | cottus environmental sample | species | 1 | 0 |
| united states | alaska | enophrys bison | species | 3 | 0 |
| united states | alaska | enophrys diceraus | species | 2 | 0 |
| united states | alaska | enophrys lucasi | species | 15 | 0 |
| united states | alaska | gymnocanthus galeatus | species | 4 | 0 |
| united states | alaska | gymnocanthus tricuspis | species | 8 | 0 |
| united states | alaska | hemilepidotus gilberti | species | 4 | 0 |
| united states | alaska | hemilepidotus hemilepidotus | species | 4 | 0 |
| united states | alaska | hemilepidotus jordani | species | 19 | 2 |
| united states | alaska | hemilepidotus papilio | species | 3 | 0 |
| united states | alaska | hemilepidotus zapus | species | 3 | 0 |
| united states | alaska | icelinus borealis | species | 2 | 0 |
| united states | alaska | icelus spatula | species | 2 | 0 |
| united states | alaska | icelus spiniger | species | 12 | 0 |
| united states | alaska | myoxocephalus jaok | species | 3 | 1 |
| united states | alaska | myoxocephalus polyacanthocephalus | species | 41 | 2 |
| united states | alaska | oligocottus maculosus | species | 22 | 0 |
| united states | alaska | oligocottus rimensis | species | 24 | 0 |
| united states | alaska | oligocottus snyderi | species | 12 | 0 |
| united states | alaska | phallocottus obtusus | species | 8 | 0 |
| united states | alaska | radulinus asprellus | species | 1 | 0 |
| united states | alaska | sigmistes caulias | species | 48 | 0 |
| united states | alaska | sigmistes smithi | species | 22 | 0 |
| united states | alaska | triglops pingelii | species | 1 | 0 |
| united states | alaska | triglops scepticus | species | 8 | 0 |
| united states | arkansas | cottus carolinae | species | 21 | 0 |
| united states | arkansas | cottus cf. hypselurus | species | 7 | 0 |
| united states | california | artedius corallinus | species | 8 | 0 |
| united states | california | artedius harringtoni | species | 8 | 0 |
| united states | california | artedius lateralis | species | 6 | 0 |
| united states | california | artedius notospilotus | species | 9 | 0 |
| united states | california | chitonotus pugetensis | species | 2 | 1 |
| united states | california | clinocottus analis | species | 42 | 1 |
| united states | california | clinocottus globiceps | species | 1 | 0 |
| united states | california | clinocottus recalvus | species | 25 | 0 |
| united states | california | cottus asper | species | 1 | 2 |
| united states | california | cottus gobio | species | 0 | 2 |
| united states | california | cottus gulosus | species | 2 | 1 |
| united states | california | cottus pitensis | species | 0 | 1 |
| united states | california | enophrys bison | species | 1 | 0 |
| united states | california | enophrys taurina | species | 2 | 0 |
| united states | california | icelinus burchami | species | 1 | 0 |
| united states | california | icelinus cavifrons | species | 4 | 0 |
| united states | california | icelinus filamentosus | species | 7 | 0 |
| united states | california | icelinus fimbriatus | species | 3 | 0 |
| united states | california | icelinus quadriseriatus | species | 12 | 0 |
| united states | california | leiocottus hirundo | species | 16 | 0 |
| united states | california | leptocottus armatus | species | 15 | 6 |
| united states | california | oligocottus maculosus | species | 2 | 1 |
| united states | california | oligocottus rimensis | species | 1 | 0 |
| united states | california | oligocottus rubellio | species | 13 | 0 |
| united states | california | oligocottus snyderi | species | 5 | 1 |
| united states | california | orthonopias triacis | species | 22 | 0 |
| united states | california | ruscarius creaseri | species | 1 | 0 |
| united states | california | scorpaenichthys marmoratus | species | 5 | 0 |
| united states | california | zesticelus profundorum | species | 1 | 0 |
| united states | colorado | cottus bairdii | species | 0 | 1 |
| united states | florida | cottus gobio | species | 0 | 2 |
| united states | georgia | cottus chattahoochee | species | 2 | 0 |
| united states | georgia | cottus gobio | species | 0 | 1 |
| united states | georgia | cottus tallapoosae | species | 5 | 0 |
| united states | idaho | cottus beldingii | species | 6 | 0 |
| united states | idaho | cottus cf. beldingii klp-2013 | species | 9 | 0 |
| united states | idaho | cottus cf. cognatus klp-2013 | species | 2 | 0 |
| united states | idaho | cottus cf. confusus d1 | species | 1 | 0 |
| united states | idaho | cottus cf. confusus e5 | species | 1 | 0 |
| united states | idaho | cottus cf. confusus klp-2013 | species | 13 | 0 |
| united states | idaho | cottus cf. rhotheus klp-2013 | species | 6 | 0 |
| united states | idaho | cottus confusus | species | 7 | 3 |
| united states | idaho | cottus hubbsi | species | 1 | 0 |
| united states | idaho | cottus leiopomus | species | 7 | 0 |
| united states | idaho | cottus sp. klp-2013 | species | 9 | 0 |
| united states | idaho | cottus sp. mky-2013 | species | 16 | 0 |
| united states | idaho | cottus sp. mrc-2008a | species | 4 | 0 |
| united states | idaho | cottus sp. mrc-2008c | species | 1 | 0 |
| united states | illinois | cottus bairdii | species | 6 | 0 |
| united states | illinois | cottus carolinae | species | 1 | 0 |
| united states | illinois | cottus gobio | species | 0 | 1 |
| united states | indiana | cottus bairdii | species | 8 | 0 |
| united states | indiana | cottus gobio | species | 0 | 1 |
| united states | iowa | cottus gobio | species | 0 | 2 |
| united states | kentucky | cottus bairdii | species | 2 | 0 |
| united states | kentucky | cottus carolinae | species | 7 | 0 |
| united states | louisiana | chitonotus pugetensis | species | 4 | 0 |
| united states | louisiana | cottus asper | species | 4 | 0 |
| united states | maine | cottus cognatus | species | 1 | 0 |
| united states | maine | myoxocephalus aenaeus | species | 4 | 0 |
| united states | maine | myoxocephalus octodecemspinosus | species | 1 | 0 |
| united states | maine | myoxocephalus scorpius | species | 2 | 0 |
| united states | maryland | cottus bairdii | species | 2 | 0 |
| united states | maryland | cottus caeruleomentum | species | 13 | 1 |
| united states | maryland | cottus girardi | species | 7 | 0 |
| united states | maryland | cottus gobio | species | 0 | 2 |
| united states | maryland | cottus hypselurus | species | 2 | 0 |
| united states | massachusetts | cottus gobio | species | 0 | 1 |
| united states | massachusetts | myoxocephalus scorpius | species | 2 | 0 |
| united states | michigan | cottus bairdii | species | 6 | 7 |
| united states | michigan | cottus cognatus | species | 8 | 3 |
| united states | michigan | myoxocephalus thompsonii | species | 0 | 2 |
| united states | michigan | triglopsis quadricornis thompsonii | subspecies | 1 | 0 |
| united states | minnesota | cottus cognatus | species | 2 | 1 |
| united states | mississippi | leptocottus armatus | species | 0 | 1 |
| united states | missouri | cottus bairdii | species | 5 | 0 |
| united states | missouri | cottus carolinae | species | 90 | 2 |
| united states | missouri | cottus cf. hypselurus | species | 11 | 0 |
| united states | missouri | cottus hypselurus | species | 177 | 1 |
| united states | missouri | cottus specus | species | 0 | 2 |
| united states | montana | cottus cf. bairdii a1 | species | 1 | 0 |
| united states | montana | cottus cf. bairdii a5 | species | 1 | 0 |
| united states | montana | cottus cf. bairdii klp-2013 | species | 13 | 0 |
| united states | montana | cottus cf. cognatus c1 | species | 2 | 0 |
| united states | montana | cottus cf. cognatus c9 | species | 1 | 0 |
| united states | montana | cottus cf. cognatus klp-2013 | species | 19 | 0 |
| united states | montana | cottus cognatus | species | 1 | 0 |
| united states | montana | cottus confusus | species | 0 | 1 |
| united states | montana | cottus sp. klp-2013 | species | 3 | 0 |
| united states | montana | cottus sp. mky-2013 | species | 15 | 0 |
| united states | nevada | cottus beldingii | species | 2 | 0 |
| united states | nevada | cottus gulosus | species | 0 | 1 |
| united states | nevada | cottus pitensis | species | 0 | 1 |
| united states | new jersey | cottus gobio | species | 0 | 1 |
| united states | new york | cottus gobio | species | 0 | 5 |
| united states | north carolina | cottus bairdii | species | 3 | 0 |
| united states | north carolina | cottus cf. bairdii bold:aaf0504 | species | 3 | 0 |
| united states | north carolina | cottus gobio | species | 0 | 1 |
| united states | north carolina | leptocottus armatus | species | 0 | 1 |
| united states | ohio | cottus gobio | species | 0 | 3 |
| united states | oklahoma | cottus carolinae | species | 2 | 0 |
| united states | oregon | artedius lateralis | species | 10 | 0 |
| united states | oregon | clinocottus acuticeps | species | 14 | 0 |
| united states | oregon | clinocottus embryum | species | 9 | 0 |
| united states | oregon | clinocottus globiceps | species | 8 | 0 |
| united states | oregon | cottus asper | species | 2 | 0 |
| united states | oregon | cottus bairdii | species | 5 | 0 |
| united states | oregon | cottus beldingii | species | 2 | 0 |
| united states | oregon | cottus gulosus | species | 2 | 0 |
| united states | oregon | cottus klamathensis | species | 5 | 0 |
| united states | oregon | cottus perplexus | species | 9 | 0 |
| united states | oregon | cottus pitensis | species | 5 | 0 |
| united states | oregon | cottus rhotheus | species | 2 | 0 |
| united states | oregon | cottus tenuis | species | 1 | 0 |
| united states | oregon | leptocottus armatus | species | 1 | 1 |
| united states | oregon | oligocottus maculosus | species | 2 | 0 |
| united states | oregon | oligocottus snyderi | species | 12 | 0 |
| united states | oregon | scorpaenichthys marmoratus | species | 0 | 1 |
| united states | pennsylvania | cottus bairdii | species | 6 | 0 |
| united states | pennsylvania | cottus cognatus | species | 16 | 0 |
| united states | pennsylvania | cottus girardi | species | 2 | 0 |
| united states | south carolina | cottus gobio | species | 0 | 1 |
| united states | tennessee | cottus carolinae | species | 14 | 0 |
| united states | texas | cottus bairdii | species | 2 | 0 |
| united states | texas | cottus hypselurus | species | 63 | 0 |
| united states | utah | cottus bairdii | species | 0 | 1 |
| united states | virginia | cottus bairdii | species | 34 | 0 |
| united states | virginia | cottus caeruleomentum | species | 5 | 0 |
| united states | virginia | cottus carolinae | species | 2 | 0 |
| united states | washington | artedius fenestralis | species | 2 | 0 |
| united states | washington | artedius harringtoni | species | 14 | 0 |
| united states | washington | artedius lateralis | species | 1 | 0 |
| united states | washington | asemichthys taylori | species | 3 | 0 |
| united states | washington | chitonotus pugetensis | species | 38 | 0 |
| united states | washington | clinocottus globiceps | species | 8 | 0 |
| united states | washington | cottus aleuticus | species | 13 | 0 |
| united states | washington | cottus asper | species | 5 | 0 |
| united states | washington | cottus beldingii | species | 2 | 0 |
| united states | washington | cottus cf. beldingii b6 | species | 1 | 0 |
| united states | washington | cottus cf. rhotheus f1 | species | 2 | 0 |
| united states | washington | cottus confusus | species | 10 | 0 |
| united states | washington | cottus gobio | species | 0 | 3 |
| united states | washington | cottus hubbsi | species | 1 | 0 |
| united states | washington | cottus marginatus | species | 33 | 0 |
| united states | washington | cottus rhotheus | species | 13 | 0 |
| united states | washington | cottus sp. mrc-2008b | species | 1 | 0 |
| united states | washington | enophrys bison | species | 11 | 0 |
| united states | washington | hemilepidotus hemilepidotus | species | 7 | 1 |
| united states | washington | hemilepidotus spinosus | species | 7 | 0 |
| united states | washington | icelinus borealis | species | 2 | 0 |
| united states | washington | icelinus filamentosus | species | 3 | 0 |
| united states | washington | icelinus tenuis | species | 1 | 0 |
| united states | washington | leptocottus armatus | species | 5 | 0 |
| united states | washington | myoxocephalus polyacanthocephalus | species | 4 | 0 |
| united states | washington | oligocottus maculosus | species | 7 | 0 |
| united states | washington | oligocottus snyderi | species | 9 | 0 |
| united states | washington | radulinus asprellus | species | 5 | 0 |
| united states | washington | radulinus boleoides | species | 1 | 0 |
| united states | washington | synchirus gilli | species | 1 | 0 |
| united states | washington | triglops macellus | species | 4 | 0 |
| united states | washington | triglops pingelii | species | 3 | 0 |
| united states | wisconsin | cottus bairdii | species | 5 | 0 |
| united states | wisconsin | cottus cognatus | species | 3 | 0 |
| united states | wisconsin | cottus gobio | species | 0 | 2 |
| united states | wisconsin | myoxocephalus thompsonii | species | 1 | 0 |
| venezuela | nueva esparta | myoxocephalus scorpius | species | 0 | 0 |