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
Sessile; brackish; depth range 0 - 31 m (Ref. 87156)
Climate / Range
Atlantic and Pacific Oceans: USA, Canada and Bermuda.
Colonial (Ref. 19). Known from tidal inlets and sheltered areas of bays, including mangrove shores (Ref. 86643). Also found in Carrie Bow Cay, Belize, in reef crest, sand trough, outer ridge and fore-reef slopes on substrates composed of dead corals and gorgonians at depths of 0 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. 22).
IUCN Red List Status (Ref. 114614)
CITES status (Ref. 94142)
Threat to humans
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Estimation of some characteristics with mathematical models