Brownspotted wrasse 
Brownstripe red snapper 
Bucchich's goby 
Bulbous dreamer 
Bull trout 
Burbot 
Burrough's Damsel 
Butter Hamlet 
Caesar grunt 
California killifish 
Canary damsel 
Canary wrasse 
Candiru catfish 
Candy Basslet 
Canthigaster coronata 
Cape damsel 
Capricorn Cardinalfish 
Careproctus trachysoma 
Caribbean Longjaw Squirrelfish 
Caribbean sharp-nose puffer 
Carolines parrotfish 
Carpet Sole 
Cave tetra 
Celebes Wrasse