Allfishes
Blotched upside-down catfish
Synodontis nigriventris
Body stocky, slightly flattened at the sides. Back more convex than abdomen, eyes large, mouth lower …
Freshwater
Freshwater fish spend part or all of their lives in fresh water, such as rivers and lakes, with a salinity of less than 1.05%.
Way of eating
Habitat
Threat to people
Conservation status
Genus
- Oncorhynchus 12
- Salvelinus 11
- Lepomis 8
- Coregonus 7
- Micropterus 7
- Esox 5
- Acipenser 4
- Alosa 4
- Ameiurus 4
- Lepisosteus 4
- Morone 4
- Cichla 3
- Clupea 3
- Ictalurus 3
- Nannostomus 3
- Noturus 3
- Perca 3
- Rhinichthys 3
- Salmo 3
- Sander 3
- Thymallus 3
- Ambloplites 2
- Anguilla 2
- Campylomormyrus 2
- Channa 2
- Corydoras 2
- Cynolebias 2
- Dorosoma 2
- Electrophorus 2
- Gambusia 2
- Hiodon 2
- Hypophthalmichthys 2
- Ictiobus 2
- Leuciscus 2
- Luxilus 2
- Notemigonus 2
- Poecilia 2
- Pomoxis 2
- Prosopium 2
- Protopterus 2
- Pungitius 2
- Pygocentrus 2
- Scaphirhynchus 2
- Schizothorax 2
- Semotilus 2
- Stenodus 2
- Tachysurus 2
- Tetraodon 2
- Toxotes 2
- Trichopodus 2
- Acantharchus 1
- Acheilognathus 1
- Alburnus 1
- Amia 1
- Anabas 1
- Anableps 1
- Ancistrus 1
- Andinoacara 1
- Anostomus 1
- Apeltes 1
- Aplodinotus 1
- Arapaima 1
- Astyanax 1
- Atractosteus 1
- Austrolebias 1
- Bairdiella 1
- Ballerus 1
- Betta 1
- C. nasus 1
- Callichthys 1
- Campostoma 1
- Carassius 1
- Catostomus 1
- Centropomus 1
- Chanodichthys 1
- Chondrostoma 1
- Cobitis 1
- Comephorus 1
- Coptodon 1
- Ctenopharyngodon 1
- Cyprinus 1
- Dallia 1
- Danio 1
- Dermogenys 1
- Devario 1
- Dichotomyctere 1
- Diptychus 1
- Elops 1
- Epinephelus guttatus 1
- Erimyzon 1
- Etheostoma 1
- Gasterosteus 1
- Glyphis 1
- Gnathonemus 1
- Gobio 1
- Gymnarchus 1
- Gymnocephalus 1
- Gymnocorymbus 1
- Gymnodiptychus 1
- Gyrinocheilus 1
- Hemichromis 1
- Heterandria 1
- Heteropneustes 1
- Huso 1
- Hydrocynus 1
- Hypanus 1
- Hypentelium 1
- Lampetra 1
- Lethenteron 1
- Lota 1
- Macropodus 1
- Malapterurus 1
- Megalops 1
- Misgurnus 1
- Monocirrhus 1
- Mormyrus 1
- Moxostoma 1
- Mugil 1
- Nocomis 1
- Notropis 1
- Oreochromis 1
- Osmerus 1
- Osteolepis 1
- Paracheirodon 1
- Percopsis 1
- Petromyzon 1
- Pimephales 1
- Pristis 1
- Ptychocheilus 1
- Puntigrus 1
- Pylodictis 1
- Pyrrhulina 1
- Rhodeus 1
- Sarotherodon 1
- Scardinius 1
- Sciaenops 1
- Serrasalmus 1
- Silurus 1
- Synodontis 1
- Trichogaster 1
- Vandellia 1
- Xenomystus 1
- Xiphophorus 1
Class
Phylum
Showing 1–4 of 4
Electric eel
Electrophorus electricus
The electric eel has bare skin, no scales, and a very elongated body that is rounded …
Siamese fighting fish
Betta splendens
The body of the Siamese fighting fish is oval, flattened at the sides and elongated in …
Volta's electric eel
Electrophorus voltai
The species is named in honor of Alessandro Volta — the Italian physicist and inventor of …