Page 64 - Caribbean Reef Life Demo

SEA URCHINS : INVERTEBRATES
O
(Diadema antillarum)
less common ariet ith hite s ines. ndi iduals ma be found with both black and white spines together.
O
(Diadema antillarum)
u eniles are usuall more colorful than the adults. The spines are often banded in contrasting colors.
ROCK BORING URCHIN (Echinometra lucunter) < 7.5 cm / 3 in
Short brown spines with a thick base. Black or red body. Found boring holes into the limestone substrate by day.
LONG-SPINED URCHIN (Diadema antillarum) spines < 20 cm / 8 in Numerous long thin spines, longer towards the top of the animal. octurnal hides in cre ices durin the da .
MAGNIFICENT URCHIN (Astropyga magni ca) < 15 cm / 6 in
Dark purple body with radiating red lines. Long spines are clustered in radial bands down the body segments.
REEF URCHIN
(Echinometra viridis) < 5 cm / 2 in
ar red od . hort ointed s ines all ha e dar er ti s and a pale ring around their bases. Prefers shallow reefs.
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