Bluelined grouper
Bluelined surgeon
Blue photosynthetic sponge
Blue ridge coral
Bluering angelfish
Blue rockfish
Bluespotted spinefoot
Bluespotted stingray
Bluespotted wrasse
Bluestreak cleaner wrasse
Blue tetra
Blue-tipped staghorn coral
Bluntnose minnow
Boarfish
Bolivian ram cichlid
Bottlebrush Acropora