(Stimpson, 1855)
S. buccalis is a dark, purple-black, brown or grey sea cucumber. It is a small (70-90 (110) mm), firm and cylindrical species, with a smooth tegument. Its spicules are small nodular buttons (S. buccalis spicules[/l]). It is found in [l][m]Glossary[/m][r]Coast[/r]coastal habitats south to temperate regions, below stones on intertidal flats.