Baltic tellin
Bass
Beadlet anemone
Bean weed
Bell-hydroid
Beroe
Bib
Black goby
Bladder wrack
Blue crab
Blue hair jellyfish
Blue mussel
Botrylloid
Bottlenose dolphin
Bread-crumb sponge
Brill
Bristly crab
Brown shrimp
Bull rout
Butterfish