Staurozoa |
Stauromedusae |
Haliclystidae
Environment: milieu / climate zone / djupintervall / distribution range
Ekologi
Bentopelagisk. Polar
Pacific, Atlantic and Arctic Oceans: North America, coasts of Europe, Japan, Chile, USA and Canada. Mostly polar, but also in subtropical and boreal.
Length at first maturity / Size / Weight / Age
Könsmognad: Lm ?  range ? - ? cm Max length : 3.0 cm WD hane/ej könsbestämd; (Ref. 2992)
Calyx conical to pyramidal, up to 3 cm wide about as high as wide or somewhat lower; peduncle about as long as height of calyx; perradial notches between arms slightly deeper than the interradial; 30 to 60 (up to 100) tentacles on each arms; marginal anchors kidney shaped, with a short, cylindrical stalk, gonads to ends of arms, with follicles in 2 to 4 or 6 radial rows; subumbrella smooth.
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 EcologyFödoslag
Födosammansättning
Födointag
Food rations
Predatorer
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
Low vulnerability (10 of 100).
Price category
Unknown.