Ophiuroidea | Euryalida
Environment: milieu / climate zone / depth range / distribution range
Benthic; depth range 8 - 1850 m (Ref. 95072). Temperate
Arctic and Eastern Pacific: Alaska, USA and Canada. Temperate to polar.
Length at first maturity / Size / Weight / Age
Maturity: Lm ?  range ? - ? cm Max length : 76.0 cm WD male/unsexed; (Ref. 865)
It is found on rocks in subtidal areas (Ref. 865).
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
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.
Lambert, P. and W.C. Austin. 2007. (Ref. 95072)
IUCN Red List Status (Ref. 124695)
CITES status (Ref. 108899)
Threat to humans
| FishSource |
Estimates of some properties based on models
): 3.5 - 6, mean 4.2 (based on 63 cells).