| australia | western australia | squalius cephalus | species | 0 | 1 |
| austria | | squalius cephalus | species | 1 | 0 |
| austria | burgenland | squalius cephalus | species | 2 | 0 |
| austria | lower austria | squalius cephalus | species | 2 | 0 |
| austria | salzburg | squalius cephalus | species | 1 | 0 |
| austria | styria | squalius cephalus | species | 17 | 0 |
| austria | tyrol | squalius cephalus | species | 9 | 0 |
| austria | upper austria | squalius cephalus | species | 8 | 0 |
| bermuda | | squalius cephalus | species | 0 | 1 |
| bosnia and herzegovina | | squalius cephalus | species | 5 | 0 |
| brazil | rio de janeiro | squalius cephalus | species | 0 | 1 |
| bulgaria | burgas province | squalius cephalus | species | 16 | 0 |
| canada | alberta | squalius cephalus | species | 0 | 1 |
| canada | ontario | squalius cephalus | species | 0 | 1 |
| canada | saskatchewan | squalius cephalus | species | 0 | 2 |
| china | beijing | squalius cephalus | species | 0 | 1 |
| croatia | | squalius cephalus | species | 28 | 0 |
| croatia | zagreb city | squalius cephalus | species | 0 | 0 |
| croatia | zagreb county | squalius cephalus | species | 0 | 0 |
| czech republic | central bohemian region | squalius cephalus | species | 7 | 0 |
| czech republic | olomouc region | squalius cephalus | species | 0 | 1 |
| czech republic | south moravian region | squalius cephalus | species | 5 | 0 |
| france | | squalius cephalus | species | 7 | 0 |
| france | aquitaine region | squalius cephalus | species | 6 | 0 |
| france | auvergne region | squalius cephalus | species | 4 | 0 |
| france | basse-normandie region | squalius cephalus | species | 1 | 0 |
| france | bourgogne region | squalius cephalus | species | 4 | 0 |
| france | bretagne region | squalius cephalus | species | 3 | 0 |
| france | champagne-ardenne region | squalius cephalus | species | 1 | 0 |
| france | franche-comte region | squalius cephalus | species | 48 | 0 |
| france | ile-de-france region | squalius cephalus | species | 1 | 1 |
| france | languedoc-roussillon region | squalius cephalus | species | 47 | 0 |
| france | limousin region | squalius cephalus | species | 3 | 0 |
| france | lorraine region | squalius cephalus | species | 1 | 1 |
| france | midi-pyrenees region | squalius cephalus | species | 2 | 0 |
| france | pays de la loire region | squalius cephalus | species | 1 | 0 |
| france | provence-alpes-cote d'azur region | squalius cephalus | species | 4 | 0 |
| germany | | squalius cephalus | species | 20 | 0 |
| germany | baden-wuerttemberg | squalius cephalus | species | 4 | 0 |
| germany | hamburg | squalius cephalus | species | 0 | 1 |
| hungary | | squalius cephalus | species | 4 | 0 |
| iraq | | squalius cephalus | species | 1 | 0 |
| italy | campania region | squalius cephalus | species | 0 | 1 |
| italy | lombardy region | squalius cephalus | species | 0 | 1 |
| luxembourg | | squalius cephalus | species | 0 | 1 |
| peru | la libertad region | squalius cephalus | species | 0 | 1 |
| portugal | madeira autonomous region | squalius cephalus | species | 0 | 1 |
| romania | arad county | squalius cephalus | species | 0 | 2 |
| russia | yaroslavl oblast | squalius cephalus | species | 0 | 1 |
| slovakia | nitra region | squalius cephalus | species | 0 | 3 |
| sweden | | squalius cephalus | species | 2 | 0 |
| switzerland | zurich region | squalius cephalus | species | 1 | 0 |
| tunisia | bizerte governorate | squalius cephalus | species | 0 | 1 |
| tunisia | mahdia governorate | squalius cephalus | species | 0 | 1 |
| turkey | afyonkarahisar province | squalius cephalus | species | 0 | 1 |
| turkey | ankara province | squalius cephalus | species | 0 | 1 |
| turkey | canakkale province | squalius cephalus | species | 0 | 1 |
| turkey | erzurum province | squalius cephalus | species | 0 | 1 |
| turkey | kars province | squalius cephalus | species | 0 | 1 |
| turkey | rize province | squalius cephalus | species | 0 | 1 |
| united kingdom | | squalius cephalus | species | 2 | 0 |
| united kingdom | england | squalius cephalus | species | 0 | 6 |
| united kingdom | scotland | squalius cephalus | species | 0 | 1 |
| united states | arizona | squalius cephalus | species | 0 | 3 |
| united states | california | squalius cephalus | species | 0 | 3 |
| united states | colorado | squalius cephalus | species | 0 | 9 |
| united states | michigan | squalius cephalus | species | 0 | 1 |
| united states | missouri | squalius cephalus | species | 0 | 1 |
| united states | nebraska | squalius cephalus | species | 0 | 3 |
| united states | north carolina | squalius cephalus | species | 0 | 1 |
| united states | oregon | squalius cephalus | species | 0 | 3 |
| united states | wyoming | squalius cephalus | species | 0 | 1 |