The four sea urchin specimens were examined according to
FAO (1987). From the first observations of the samples collected
of the sea urchin, the black sea urchin was identified
as being the Arbacia lixula (Linnaeus, 1758) see Fig. 2. It
was very different and very distinctive from the rest of the
other three urchins. The most important feature in the black
urchin was that in all individuals throughout the year