Beaded sea anemone 
Beadlet anemone 
Birdsnest Coral 
Black Cup Coral 
Black sea rod 
Black Wire Coral 
Blue coral 
Blue Octocoral 
Blue-grey Pulse Coral 
Boloceroides mcmurrichi 
Boulder Brain Coral 
Boulder Coral 
Boulder star coral 
Bracket Coral 
Branch coral 
Branching Anemone 
Branching Bubble Coral 
Branching Flower Pot Coral 
Branching Hammer coral 
Briareum stechei 
Briareum violaceum 
Broccoli coral 
Bubble Coral 
Bubble-tip anemone