Hydrozoa | Anthoathecata
Environment / Climate / Range
Sub-arctic, temperate and subtropical waters of the Northern Atlantic.
Length at first maturity / Size / Weight / Age
Maturity: Lm ?  range ? - ? cm Max length : 5.0 cm H male/unsexed; (Ref. 8774)
Found in areas exposed to currents and waves, on a variety of substrates such as platform piles (Ref. 96377). Sessile (Ref. 3123). Reproduction occurs only in hydroid stage (Ref. 1663, p. 14).
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Reproduction occurs only in hydroid stage (Ref. 1663, p. 14).
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. 114614)
CITES status (Ref. 94142)
Threat to humans
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Estimates of some properties based on models