Hydrozoa | Anthoathecata
Migotto, A.E., A.C. Marques, A.C. Morandini and F.L. da Silveira. 2002. (Ref. 813)
Size / Weight / Age
Sessile; brackish; depth range 1 - 7 m (Ref. 3086)
Climate / Range
Atlantic, Pacific, Mediterranean, and Arctic Oceans. Polar and subtropical.
Small unfascicled colonies; cnidome comprising only microbasic euryteles; female and male blastostyles completely reduced; immature female gonophore with unbranched spadix (Ref. 3086).
Megabenthic species (Ref. 2952). Found at depths of 1 to 7 m on rocks or living as an epizoite on ascidians, barnacles, mussels, and sponges. Colonial (Ref. 3086). Known from sheltered areas of bays, including mangrove shores and sounds (Ref.86643). Reproduction occurs only in hydroid stage (Ref. 1663, p. 13).
IUCN Red List Status (Ref. 114614)
CITES status (Ref. 94142)
Threat to humans
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Estimation of some characteristics with mathematical models