Cono - Cyph
- Conocara
- Conocara macroptera
- Conocara salmonea
- Conodon
- conodon grunt
- conodon grunts
- Conodon macrops
- Conodon nobilis
- constellation fishes
- contour rock cod
- Contusus
- Contusus richei
- convict cichlid
- convict fish
- Cookelus
- Cookelus boops
- Cooke’s sand diver
- cookiecutter shark
- cookiecutter sharks
- coolie loach