Ophiuroidea | Ophiurida
Adami, M.L. and S. Gordillo. 1999. (Ref. 92889)
Size / Weight / Age
Benthic; depth range 0 - 40 m (Ref. 87801)
Climate / Range
Southeast Pacific and Southwest Atlantic: Chile, Falkland Island and Argentina.
It is found in forests of Macrocystis pyrifera (Ref. 92889), on rocks, sand, gravel and mud at depths of 0 to 40 m (Ref. 87801). It is a deposit feeder (Ref. 87801). Members of the class Ophiuroidea are mostly gonochoric, others are protandric. Fertilization is external. Brooding is common, bursae is used as brood chambers where the embryos develop into juveniles and later crawl out from the bursal slits. Life cycle: Embryos hatch into free-swimming planktotrophic larvae and later metamorphose into tiny brittle stars which sink down the bottom where they grow into adult form (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