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, Mediterranean and Northwest Pacific: Germany, Canada and USA. Mostly polar, but also in tropical, temperate and boreal climates.
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