Hydrozoa | Anthoathecata
Marques, A.C., A.L. Peña Cantero and W. Vervoort. 2000. (Ref. 3086)
Size / Weight / Age
Demersal; depth range 5 - 40 m (Ref. 3086)
Climate / Range
Atlantic Ocean, Western Pacific and the Mediterranean. Tropical to temperate.
Complementary nematocysts macrobasic euryteles arranged in warts around hydranth body, usually absent from hypostome; male and female blastostyles completely reduced; spadix of female blastostyle unbranched when immature and shed when mature, encircled by perisarc and linked to axis of blastostyle by a short peduncle (Ref. 3086).
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