Hydrozoa |
Leptothecata |
Sertulariidae
Environment: milieu / climate zone / تغييرات عمق / distribution range
بوم شناسي
نزديك كف زي; تغييرات عمق 432 - 813 m (مرجع 7414). Polar
Antarctic Atlantic: Antarctica (Weddell Sea).
Length at first maturity / Size / Weight / سن
بلوغ: Lm ?  range ? - ? cm
Distinguished by the shape of the hydrotheca and the arrangement of the hydrothecae in two longitudinal series, but also by the erect and polysiphonic stems, frequently branched in one plane, and by the absence of both anastomoses and mushroom shaped diaphragm.
Life cycle and mating behavior
بلوغ | تولید مثل | تخم ریزی | Eggs | Fecundity | Larvae
Members of the order Leptothecata include L-form hydroids. Life cycle: The zygote develops into planula and later into polyp then into free-swimming medusa.
مآخذ اصلی
مراجع | هماهنگ كننده | همكاران
Peña Cantero, A.L. and W. Vervoort. 2003. (مرجع 7414)
وضعيت در فهرست قرمز IUCN
(مرجع 130435: Version 2024-2)
وضعيت از نظر سايتس (مرجع 108899)
Not Evaluated
Not Evaluated
خطر برای انسان ها
Harmless
استفاده انسانی
| FishSource |
ابزارها
اطلاعات بيشتر
Trophic EcologyFood items (preys)
تركيب غذايي
مصرف غذايي
شکارچیان
Population dynamicsرشد
Max. ages / sizes
Length-weight rel.
Length-length rel.
نوسانات طولی
Mass conversion
فراواني
Life cycleتولید مثلبلوغFecundityتخم ریزیEggsنمو تخمLarvae PhysiologyOxygen consumption
Human RelatedStamps, coins, misc.
منابع اينترنتي
Estimates based on models