Hydrozoa | Anthoathecata
Marques, A.C., A.L. Peña Cantero and W. Vervoort. 2000. (Ref. 3086)
Size / Weight / Age
Sessile; depth range 0 - 20 m (Ref. 3086)
Climate / Range
Eastern Pacific, Atlantic Ocean and the Mediterranean. Tropical and subtropical.
Complementary nematocysts (i.e. nematocysts other than small microbasic euryteles) heterotrichous anisorhizas; female blastostyles completely reduced (sometimes a few degenerated tentacles remaining on top), spadix bifurcated, mature eggs scattered along the pedicel thickened by a perisarc capsule typically fenestrated; male blastostyles completely reduced (Ref. 3086).
Found from intertidal to a depth of 20 m, on artificial substrates and rocks (Ref. 3100). Known from tidal inlets, sounds, caves and Shallow Coastal benthic habitats (< 25 m) (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