Ophiuroidea | Ophiurida | Ophiuridae
Common names | Synonyms | CoL | ITIS | WoRMS
Harms, J. 1993. (Ref. 2711)
Size / Weight / Age
Benthic; depth range 0 - 685 m (Ref. 85345)
Climate / Range
Atlantic and the Mediterranean Sea: Belgium, Germany and Celtic Sea. Temperate and subtropical.
Countries | FAO areas | Ecosystems | Occurrences | Introductions
Epibenthic (Ref. 87524). Found in small numbers along the near-coastal zone in the North Sea off Belgium, in fine- to medium-grained sediment with mud content of 30-40% (Refs. 7882, 96391). Possess very agile and strong arms (Ref. 7882). Ubiquitous, free-living species (Ref. 96391). 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)
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Estimation of some characteristics with mathematical models