Hydrozoa | Leptothecata
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)
Size / Weight / Age
Climate / Range
Arctic, Atlantic and Pacific Oceans. Mostly polar, but also in subtropical and boreal climates.
Colonial (Ref. 19). Reproduction occurs only in hydroid stage (Ref. 1663, p. 23).
IUCN Red List Status (Ref. 114614)
CITES status (Ref. 94142)
Threat to humans
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Estimation of some characteristics with mathematical models