Asteroidea |
Spinulosida |
Echinasteridae
Environment: milieu / climate zone / depth range / distribution range
Ecology
Benthic. Temperate
Northeast Pacific: Alaska, USA and Canada.
Length at first maturity / Size / Weight / Age
Maturity: Lm ? range ? - ? cm
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.
Marliave, J.B., C.J. Gibbs, D.M. Gibbs, A.O. Lamb and S.J.F. Young 2011 Biodiversity stability of shallow marine benthos in Strait of Georgia, British Columbia, Canada through climate regimes, overfishing and ocean acidification. pp. 49-74, In Grillo, O. (ed.), Biodiversity Loss in a Changing Planet, PhD. (Ref. 93916)
IUCN Red List Status
(Ref. 130435: Version 2025-1)
CITES status (Ref. 108899)
Not Evaluated
Not Evaluated
Threat to humans
Human uses
| FishSource |
Tools
More information
Trophic EcologyFood items (preys)
Diet composition
Food consumption
Predators
Population dynamicsGrowth
Max. ages / sizes
Length-weight rel.
Length-length rel.
Length-frequencies
Mass conversion
Abundance
Life cycleReproductionMaturityFecunditySpawningEggsEgg developmentLarvae PhysiologyOxygen consumption
Human RelatedStamps, coins, misc.
Internet sources
Estimates based on models
Price category
Unknown.
