Scyphozoa |
Semaeostomeae |
Pelagiidae
Environment: milieu / climate zone / djupintervall / distribution range
Ekologi
Pelagiska. Polar (Ref. 1663)
Arctic, North Atlantic and North Pacific.
Length at first maturity / Size / Weight / Age
Könsmognad: Lm ?  range ? - ? cm Max length : 60.0 cm WD hane/ej könsbestämd; (Ref. 2376)
Up to 30 cm wide, about 0ne-third as high as wide; marginal lappets of almost equal size and shape; septa between stomach pouches straight, rhopalar pouches in middle portion somewhat broader, at margin considerably narrower than the tentacular pouches; 3 to 5 tentacles per octant; 32 radiating reddish or brown streaks on exumbrella and moreover 16 radiating dark brown, almost black, streaks on subumbrella below the septa between the stomach pouches.
Life cycle and mating behavior
Könsmognad | Reproduktion | Lek | Eggs | Fecundity | Larvae
Members of the class Scyphozoa are gonochoric. Life cycle: Egg is laid by the adult medusa which later develops into a free-living planula, then to a scyphistoma to a strobila, and lastly to a free-living young medusa.
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. (Ref. 1663)
IUCN Red List Status
(Ref. 130435: Version 2024-2)
CITES status (Ref. 108899)
Not Evaluated
Not Evaluated
Threat to humans
Human uses
| FishSource |
Verktyg
Ytterligare information
Trophic EcologyFödoslagFödosammansättningFödointagFood rationsPredatorer Population dynamicsTillväxtMax. ages / sizesLength-weight rel.Length-length rel.Length-frequenciesMass conversionRekryteringAbundans Life cycleReproduktionKönsmognadFecundityLekEggsEgg developmentLarvaeLarvdynamik Human RelatedAquaculture profiles
Stamps, coins, misc.
Internet-källor
Estimates based on models
Vulnerability
Moderate vulnerability (44 of 100).
Price category
Unknown.