Rock Sea Urchin (Paracentrotus Lividus)
Latin name: Paracentrotus lividus
Common name: Rock sea urchin
Distribution: Mediterranean coast, Atlantic coast.
Habitat: On soft chalk or limestone.
Reproduction: Transparent eggs.
Behaviour: It uses its teeth to burrow into the soft limestone, leaving cavities in the rock wall which it enlarges as it grows.
Diet: It is a herbivore, feeding on algae around its hole or over rocky surfaces.
Size: Can grow to 7cm in diameter.
Shape: Flattened round shell.
Colour: Found in a variety of colours.
Did you know? It is the most commonest of the urchins.