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
Benthic; brackish; depth range 3 - 31 m (Ref. 87156)
Climate / Range
Mediterranean, Atlantic and Arctic Oceans: Mostly polar, but also in subtropical, tropical and boreal.
Depth range recorded from Belize (Ref. 87156) Known from mangroves (Ref. 86642), tidal inlets, exposed areas of bays, including any ledges at their entrance and surface or near surface water layers, including porpitids and the halopelagic Sargassum fauna; limited to shallow benthic habitats (Ref. 86643). Also found in Carrie Bow Cay, Belize, in patch reefs, Thalassia beds, back reef, outer ridge and fore-reef slopes on substrates composed of dead corals and gorgonians at depths of 3 to 31 m. As with other hydroids, this species exhibits a pelagic medusiod stage (Ref. 87156). Reproduction occurs only in hydroid stage (Ref. 1663, p. 20). Period of reproductive maturity recorded for Carrie Bow Cay, Belize is 10th to 19th May, during which the sample collected had gonophores or medusa buds (Ref. 87156).
IUCN Red List Status (Ref. 114614)
CITES status (Ref. 94142)
Threat to humans
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Estimation of some characteristics with mathematical models