C
- California flyingfish
- California halibut
- California smoothtongue
- Canary rockfish
- Candiru
- Candlefish
- Capelin
- Cardinalfish
- Carp
- Carpetshark
- Carpsucker
- Catalufa
- Catfish
- Catla
- Cat shark
- Cavefish
- Celebes rainbowfish
- Central mudminnow
- Cepalin
- Chain pickerel
- Channel bass
- Channel catfish
- Char
- Cherry salmon
- Chimaera
- Chinook salmon
- Cherubfish
- Chub
- Chubsucker
- Chum salmon
- Cichlid
- Cisco
- Climbing catfish
- Climbing gourami
- Climbing perch
- Clingfish
- Clownfish
- Clown loach
- Clown triggerfish
- Cobbler
- Cobia
- Cod
- Cod icefish
- Codlet
- Codling
- Coelacanth
- Coffinfish
- Coho salmon
- Coley
- Collared carpetshark
- Collared dogfish
- Colorado squawfish
- Combfish
- Combtail gourami
- Combtooth blenny
- Common carp
- Common tunny
- Conger eel
- Convict blenny
- Convict cichlid
- Cookie-cutter shark
- Coolie loach
- Cornish Spaktailed Bream
- Cornetfish
- Cowfish
- Cownose ray
- Cow shark
- Crappie
- Creek chub
- Crestfish
- Crevice kelpfish
- Croaker
- Crocodile icefish
- Crocodile shark
- Crucian carp
- Cuchia
- Cuckoo wrasse
- Cusk-eel
- Cuskfish
- Cutlassfish
- Cutthroat eel
- Cutthroat trout
Read more about this topic: List Of Common Fish Names