Echinoidea | Spatangoida
Schoppe, S. 2000. (Ref. 800)
Size / Weight / Age
Reef-associated; depth range 0 - 60 m (Ref. 800)
Climate / Range
Entire tropical Indo-West Pacific, except Arabian Gulf, Pakistan and West India.
Occurs at depths from 0 to 60 m in sandy intertidal and seagrass areas. Feeds by non-selective deposit feeding (Ref. 824). Members of the class Echinoidea are gonochoric. Fertilization is external. Brooding is common, eggs are held either on the peristome, around the periproct or deep into the concavities on the petaloids. Life cycle: Embryos develop into planktotrophic larvae (echinoplateus) and live for several months before they sink to the bottom using their tube feet to adhere on the ground where they metamorphose into young urchins (Ref. 833).
IUCN Red List Status (Ref. 114614)
CITES status (Ref. 94142)
Threat to humans
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Estimation of some characteristics with mathematical models