Asteroidea |
Velatida |
Pterasteridae
Environment: milieu / climate zone / تغييرات عمق / distribution range
بوم شناسي
; تغييرات عمق 57 - 1225 m (مرجع 93256). Temperate
Circumpolar: from Artic to Chesapeake Bay and Ireland in the Atlantic and from Japan to USA in the Pacific.
Length at first maturity / Size / Weight / سن
بلوغ: Lm ?  range ? - ? cm Max length : 20.0 cm WD جنس نر / بدون خواص جنسي; (مرجع 93256)
Found on sand, mud and gravel (Ref. 93256).
Life cycle and mating behavior
بلوغ | تولید مثل | تخم ریزی | 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.
مآخذ اصلی
مراجع | هماهنگ كننده | همكاران
Lambert, P. 2000 Sea stars of British Columbia, Southeast Alaska and Puget Sound. Canada: UBC Press. 186 p. (مرجع 93256)
وضعيت در فهرست قرمز IUCN
(مرجع 130435: Version 2025-1)
وضعيت از نظر سايتس (مرجع 108899)
Not Evaluated
Not Evaluated
خطر برای انسان ها
استفاده انسانی
| FishSource |
ابزارها
اطلاعات بيشتر
Population dynamicsرشدMax. ages / sizesLength-weight rel.Length-length rel.نوسانات طولیMass conversionفراواني Life cycleتولید مثلبلوغFecundityتخم ریزیEggsنمو تخمLarvae PhysiologyOxygen consumption
Human RelatedStamps, coins, misc.
منابع اينترنتي
Estimates based on models
Preferred temperature
(Ref.
115969): 1.1 - 10.2, mean 5.5 (based on 497 cells).
Fishing Vulnerability
Low vulnerability (10 of 100).
طبقه قيمت
Unknown.