Hydrozoa | Anthoathecata
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
Atlantic and Arctic Oceans: USA, Iceland and Canada. Mostly polar, but also in subtropical and boreal.
This is a solitary species (Ref. 19, 87872), with gonophores but no medusae. It is found in gulfs and estuaries particularly in circalittoral areas (Ref. 87872). Reproduction occurs only in hydroid stage (Ref. 1663, p. 14).
IUCN Red List Status (Ref. 114614)
CITES status (Ref. 94142)
Threat to humans
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Estimation of some characteristics with mathematical models