Echinothrix diadema

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Marine Arthropods

Marine Molluscs

Marine Reptiles

Marine Microbes

Category of Organisms	Echinoderms
Kingdom	Animalia
Phylum/Division	Echinodermata
Class	Echinoidea
Order	Diadematoida
Family	Diadematidae
Genus	Echinothrix
Species	diadema
Binomial Name	Echinothrix diadema
Author	Linnaeus, 1758
Common Name	Sea urchin
Local Name
Size Range	The Diadema Urchin (Echinothrix diadema) is a long spined urchin, with a diameter of about 8 cm.
Environment/Habitat	At tropical species, which never occurs in great numbers. it is found around large coral outcrops and beneath coral boulders.
Importance/Value
Resilience
Endemic	No
Found in Marine Park	Yes
Found in Malaysia	Yes
Distribution
Morphology/Character	It is generally black in colour, and always dark. The spines are closed at the tip; the anal sac is spotted light and dark. It is active at night, hiding in crevices or under rocks at night.
Biology	Diet : Sponges, bryozoans, coral, algae and suspended matter in tidal currents.
Miscellaneaous
Status in IUCN Red List	Unknown
Status in CITES Species Database	Unknown
Researcher(s)
Reference(s)	Ashley Miskelly, SEA URCHINS of Australia and the Indo-Pacific, Page :28
Other Link(s)	http://en.wikipedia.org/wiki/Echinothrix_diadema
Collection Record