Hydrozoa | Trachymedusae
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
Northwest Atlantic and Arctic Ocean: USA and Canada. Mostly polar, but also in subtropical and boreal.
Species listed only in medusoid stage (Ref. 1663, p. 29).
IUCN Red List Status (Ref. 114614)
CITES status (Ref. 94142)
Threat to humans
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Estimation of some characteristics with mathematical models