Hydrozoa | Leptothecata
Environment / Climate / Range
Arctic, Atlantic and Pacific Oceans: Germany, Canada and USA. Mostly polar, but also in subtropical and boreal climates.
Length at first maturity / Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
This is a Colonial (Ref. 19), epibenthic species (Ref. 95730). Reproduction occurs only in hydroid stage (Ref. 1663, p. 23).
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Reproduction occurs only in hydroid stage (Ref. 1663, p. 23).
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. 115185)
CITES status (Ref. 108899)
Threat to humans
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Estimates of some properties based on models