Show yellow bellied sea snake though the yellow bellied sea snake may not be ferocious looking it is nothing tu lu get gay with accortt ing to a writer in ill me line washington post A member of the dreaded cobra clan it is among the most deadly of poisonous reptiles in captivity it is particularly dangerous becoming sullen and striking at everyone er yone it is the only poisonous sea snake found in the waters around america although there are 49 oth er species just as deadly el elsewhere se As the name indicates this slender snake is a brilliant yellow underneath though its top side is black it has no gills must come to the surface to breathe it is sometimes caught in fishing nets |