| Brown trout | Salmo trutta m. fario Linnaeus, 1758. | SALMONIDAE | Krka, Zrmanja, Butižnica, Kosovčica, Orašnica, Marčinkovac, Radljevac, Golubić lake | /// | /// | Autochthonous | YES | CONTROLLED | Details |
| Rainbow trout | Oncorhynchus mykiss | SALMONIDAE | Krka, Golubić lake | 60 cm | 2.5 kg | Allochthonous | NO | CONTROLLED | Details |
| Carp | Cyprinus carpio | CYPRINIDAE | Krka, Šarena lakes, Burum lakes | /// | /// | Allochthonous | NO | CONTROLLED | Details |
| Tench | Tinca tinca | CYPRINIDAE | Krka, Šarena lakes, Burum lakes | /// | /// | Allochthonous | NO | CONTROLLED | Details |
| Grass carp | Ctenopharyngodon idella | POECILLIDAE | Šarena lakes, Burum lakes | /// | /// | Allochthonous | NO | CONTROLLED | Details |
| Illyrian chub | Squalius illyricus | CYPRINIDAE | Krka, Šarena lakes, Burum lakes | /// | /// | Allochthonous | YES | CONTROLLED | Details |
| Dalmation rudd | Scardinius dergle | CYPRINIDAE | Krka, Šarena lakes, Burum lakes | /// | /// | Allochthonous | NO | CONTROLLED | Details |
| Three-spined stickleback | Gasterosteus gymnurus | GASTEROSTEIDAE | Krka, Zrmanja | /// | /// | Allochthonous | | CONTROLLED | Details |
| Pike | Esox lucius | ESOCIDAE | Krka, Šarena lakes, Burum lakes | 1.30+ m | 22+ kg | Allochthonous/Invasive | NO | YES | Details |
| Perch | Perca fluviatilis | PERCIDAE | Šarena lakes, Burum lakes | /// | /// | Allochthonous/Invasive | NO | YES | Details |
| Eastern mosquitofish | Gambusia holbrooki | POECILLIDAE | Šarena lakes, Burum lakes | /// | /// | Allochthonous | NO | YES | Details |
| Bullhead catfish | Ictalurus nebulosus | ICTALURUS | Šarena lakes, Burum lakes | 15 - 45cm | 100g - 1 kg | Allochthonous/Invasive | NO | YES | Details |
| Pumpkinseed sunfish | Lepomis gibbosus | CENTRARCHIDAE | Krka, Šarena lakes, Burum lakes | 8 - 12 cm | /// | Allochthonous/Invasive | NO | YES | Details |
| Prussian carp | Carassius gibelio | CYPRINIDAE | Šarena lakes, Burum lakes | /// | /// | Allochthonous/Invasive | NO | YES | Details |
| Evil mouth (softmouth) trout | Salmo obtusirostris krkensis | SALMONIDAE | Krka | /// | /// | Autochthonous | YES (critically endangered species) | FORBIDDEN | Details |
| Zrmanja (turkish) chub | Squalius zrmanjae | CYPRINIDAE | Zrmanja | /// | /// | Autochthonous | YES | FORBIDDEN | Details |
| Padanian Barbel | Barbus plebejus | CYPRINIDAE | Zrmanja | /// | /// | Autochthonous | YES | FORBIDDEN | Details |
| Spined loach | Cobitis bilineata | COBITIDAE | Krka, Zrmanja | /// | /// | Autochthonous | YES | FORBIDDEN | Details |
| European bullhead | Cottus gobio (Cottus ferrugineus) | COTTIDAE | Zrmanja, Butižnica | /// | /// | Autochthonous | YES | FORBIDDEN | Details |
| Dalmation minnow | Phoxinellus dalmaticus | CYPRINIDAE | Krka, Kosovčica | /// | /// | Autochthonous | YES | FORBIDDEN | Details |
