Asteroidea | Spinulosida
Environment: milieu / climate zone / depth range / distribution range
Benthic; depth range 0 - 1200 m (Ref. 93256). Polar
Circumpolar. Temperate to polar climates.
Length at first maturity / Size / Weight / Age
Maturity: Lm ?  range ? - ? cm Max length : 30.0 cm WD male/unsexed; (Ref. 93256); max. reported age: 20 years (Ref. 93256)
Minimum depth from Ref. 865. Breeds from March to April. Each sea star may spawn several times at intervals of two to ten days, releasing more than 2,000 eggs at a time (Ref. 93256).
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.
Lambert, P. 2000. (Ref. 93256)
IUCN Red List Status (Ref. 124695)
CITES status (Ref. 108899)
Threat to humans
| FishSource |
Estimates of some properties based on models
): 0.5 - 8.4, mean 3.2 (based on 1629 cells).