Demospongiae |
Polymastiida |
Polymastiidae
Environment: milieu / climate zone / تغييرات عمق / distribution range
بوم شناسي
; تغييرات عمق 17 - 450 m (مرجع 89939). Polar
Circumantarctic.
Length at first maturity / Size / Weight / سن
بلوغ: Lm ? range ? - ? cm
Dome-shaped or spheroidal. Dense short piles of cortical microtyles present on surface, with several usually elongated papillae with or without a large terminal orifice. Cortex with dermal pores, with each pore opening into one tubular canal (Ref. 089939).
Inhabits mostly hard bottoms; occasional on mud (Ref. 089939).
Life cycle and mating behavior
بلوغ | تولید مثل | تخم ریزی | Eggs | Fecundity | Larvae
Members of the class Demospongiae are hermaphroditic. Life cycle: The zygote develops into parenchymella larva (free-swimming) before settling down on a substrate where it grows into a young sponge.
مآخذ اصلی
مراجع | هماهنگ كننده | همكاران
Southern Ocean Mollusc Database (SOMBASE) 2011 British Antarctic Survey, SOMBASE. Accessed through GBIF data portal, http://data.gbif.org/datasets/resource/66, 2011-07-15. (مرجع 87340)
وضعيت در فهرست قرمز IUCN
(مرجع 130435: Version 2025-1)
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 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): -1.8 - 1.2, mean -1.2 (based on 300 cells).
