Hydrozoa |
Anthoathecata |
Polyorchidae
Environment: milieu / climate zone / تغييرات عمق / distribution range
بوم شناسي
سطح زی. Subtropical
Eastern Pacific: USA and Canada.
Length at first maturity / Size / Weight / سن
بلوغ: Lm ?  range ? - ? cm Max length : 2.0 cm H جنس نر / بدون خواص جنسي; (مرجع 2992)
Measures 20 mm in height, conical gastric peduncle protruding into the bell cavity from which long tubular gonads hang; 25 gonads on each radial canal; long stomach with 4 frilly lips; 4 radial canals either simple or branched, with rudimentary, closely-set, knob-like diverticula; ring canal with or without a knob-like diverticula; 30 tentacles, each with a deep red pigment around the ocellus at the base; tentacles and gonads yellow or grayish brown in color (Ref. 2376).
Sympatric with but usually less common than P. penicillatus; found year round but relatively rare (Ref. 2376).
Life cycle and mating behavior
بلوغ | تولید مثل | تخم ریزی | Eggs | Fecundity | Larvae
Species listed only in medusoid stage (Ref. 1663, p. 17). Polyp not known (Ref. 2376).
مآخذ اصلی
مراجع | هماهنگ كننده | همكاران
Cairns, S.D., D.R. Calder, A. Brinckmann-Voss, C.B. Castro, D.G. Fautin, P.R. Pugh, C.E. Mills, W.C. Jaap, M.N. Arai, S.H.D. Haddock and D.M. Opresko 2003 Common and Scientific Names of Aquatic Invertebrates from the United States and Canada: Cnidaria and Ctenophore, Second Edition. American Fisheries Society Special Publication, no,28. XI+115. With CD-ROM. (مرجع 1663)
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
Fishing Vulnerability
Low vulnerability (10 of 100).
طبقه قيمت
Unknown.