Black Nerite 
Black slug 
Black turban snail 
Black-and-gold Sapsucking Slug 
Black-margined Doriprismatica 
Black-spotted Triton 
Blacklip Abalone 
Blinking Snail 
Blue and Yellow Lined Slug 
Blue Dragon Nudibranch 
Blue Glaucus 
Blue Velvet Headshield Slug 
Blunt-end Seahare 
Bohol discodoris 
Bornella stellifer 
Bothriembryon kingii 
Brown Bubble Shell 
Brown-edge Glossodorid 
Brown-lined paper bubble 
Brown-lipped Snail 
Bulbaeolidia alba 
Bull Mouth Snail 
Bursatella ocelligera 
Bush Snail