Ascidiacea |
Aplousobranchia |
Polyclinidae
Environment: milieu / climate zone / تغييرات عمق / distribution range
بوم شناسي
; تغييرات عمق 8 - 400 m (مرجع 1603). Boreal
Northern Pacific, Northeast Atlantic and the Arctic.
Length at first maturity / Size / Weight / سن
بلوغ: Lm ? range ? - ? cm Max length : 7.0 cm COLD جنس نر / بدون خواص جنسي; (مرجع 3396)
Minimum depth from Ref. 3511. Colonial (Ref. 3396).
Life cycle and mating behavior
بلوغ | تولید مثل | تخم ریزی | Eggs | Fecundity | Larvae
Members of the class Ascidiacea are hermaphroditic; both cross- and self-fertilization is typical. Life cycle: Eggs develop into lecithotrophic larva before metamorphosing into benthic adults.
مآخذ اصلی
مراجع | هماهنگ كننده | همكاران
de Kluijver, M.J. and S.S. Ingalsuo 2006 Tunicata: Macrobenthos of the North Sea. Zoological Museum, University of Amsterdam. http://ip30.eti.uva.nl/bis/tunicata.php (مرجع 1603)
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
Trophic EcologyFood items (preys)
تركيب غذايي
مصرف غذايي
شکارچیان
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): 0.5 - 11.2, mean 6.3 (based on 1130 cells).
Fishing Vulnerability
Low vulnerability (10 of 100).
طبقه قيمت
Unknown.
