Fish with B
- Common fish name; definitely a B-fish. 
- Real fish (a puffer); starts with B. 
- Actual deep-sea fish; starts with B. 
- Famous predatory fish; fits B category. 
- Two-word variant of blowfish; valid. 
- Real fish species; tasty and starts with B. 
- Two-word form of blobfish; still a fish. 
- Real tuna species; begins with B. 
- Well-known sunfish; clearly a B-fish. 
- Real fish group; fits the B list. 
- Actual fish species; great B answer. 
- blue gill
- Reef fish (butterflyfish); starts with B. 
- Bandfish
- blue fin tuna
- Bull shark
- blow fish
- Basking shark
- Blue whale
- Bala shark
- Bluefin
- Blue tang
- Batfish
- Bubble fish
- brown trout
- black bass
- Boxfish
- bamboo shark
- Beta fish
- Brim
- blue tuna
- blob
- Brook trout
- Bonito
- Basa
- balloon fish
- Bait
- Blue fin
- black cod
- baby whale
- baby shark
- Blue marlin
- Brill
- Box jellyfish
- Blue shark
- Bloater
- black fish
- Bubble
- bottlenose dolphin
- bass fish
- banana fish
- blackfish
- banjo
- bob fish
- Blubber
- bat fish
- Barb
- butter fish
- Bottle Mouth
- Bonefish
- Bullhead
- Bull fish
- boy fish
- bottom feeder
- bone fish
- Bone
- Big shark
- bate
- bar
- Baked
- Big one
- Ben
- Ball fish
The words in the list Fish with B come from players of the word game Categories game.