Asteroidea | Forcipulatida
Environment: milieu / climate zone / depth range / distribution range
Benthic; brackish; depth range 0 - 650 m (Ref. 114164), usually 0 - 400 m (Ref. 114164). Temperate; 72°N - 28°N, 81°W - 42°E
Arctic and Atlantic Ocean.
Length at first maturity / Size / Weight / Age
Maturity: Lm ?  range ? - ? cm Max length : 52.0 cm WD male/unsexed; (Ref. 101440)
Epibenthic (Refs. 87524, 95730). Intertidal to subtidal (Ref. 80965). Found in exposed areas with sandy substrate. Predatory; feeds on the blue mussel, Mytilus edulis (Ref. 96377). A ubiquitous, free-living species (Ref. 96391).
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Members of the class Asteroidea exhibit both asexual (regeneration and clonal) and sexual (gonochoric) means of reproduction. Life cycle: Embryos hatch into planktonic larvae and later metamorphose into pentamorous juveniles which develop into young sea stars with stubby arms.
Harms, J. 1993. (Ref. 2711)
IUCN Red List Status (Ref. 124695)
CITES status (Ref. 108899)
Threat to humans
FAO - Fisheries: landings | FishSource | Sea Around Us
Estimates of some properties based on models
): 6.3 - 10.2, mean 9.7 (based on 19 cells).