Hydrozoa | Anthoathecata
Marques, A.C., A.L. PeÃ±a Cantero and W. Vervoort. 2000. (Ref. 3086)
Size / Weight / Age
Pelagic; depth range 20 - 20 m (Ref. 3112)
Climate / Range
Colonies large and unfascicled, with long stems, branches and pedicels; hydranths elongated; complementary nematocysts atrichous isorhizas. Only immature blastostyles of both sexes observed; males reducing tentacles in course of development, females with normal number of tentacles and unbranched spadix (Ref. 3086).
Occurs at a depth of 20 m (Ref. 3112). Members of the order Anthoathecata are mostly colonial A-form hydroids. Life cycle: The zygote develops into planula inside the gonophore and is later released as an actinula which metamorphoses into polyp stage (Ref. 833).
IUCN Red List Status (Ref. 114614)
CITES status (Ref. 94142)
Threat to humans
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Estimation of some characteristics with mathematical models