Tag: Black Long-Spined Sea Urchin

Alan's picture
Long-Spined Sea Urchin (Diadema Setosum)

A close-up of the very common, Long-Spined Sea Urchin (Diadema Setosum).

Clearly visible in this shot are the two main characteristics of this species ie: the five white dots around the edge of the "test" and the orange ring around the "periproctal cone".