Hydrozoa | Anthoathecata
Ross, M.A. and G. Hodgson. 1981. (Ref. 8294)
Size / Weight / Age
Max length : 300 cm male/unsexed; (Ref. 269); common length : 200 cm male/unsexed; (Ref. 269)
Reef-associated; depth range 3 - 6 m (Ref. 8294)
Climate / Range
Indo-Pacific: West to Red Sea; north to Japan; east to Marquesas; and south to Houtman Abrolhos Islands.
Forms large colonies, commonly 200 to 300 cm in diameter and composed of anastomosed vertical plates, which may reach 200 cm in height. In life, colonies have a characteristics light brown, color, with white growing edges. If touched, a sharp sting can be felt when coming into contact with soft skin (Ref. 269).
Forms large colonies, commonly 200 to 300 cm in diameter and composed of anastomosed vertical plates, which may reach 200 cm in height (Ref. 269). Depth based from occurrence (Ref. 8294); to be replaced with a better reference. Most common in shallow to intermediate depths (Ref. 269). 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
Very high vulnerability (90 of 100)