Hydrozoa | Leptothecata
Peña Cantero, A.L. and W. Vervoort. 2003. (Ref. 7414)
Size / Weight / Age
Max length : 38.0 cm H male/unsexed; (Ref. 7414)
Sessile; depth range 180 - 370 m (Ref. 7414)
Climate / Range
Antarctic Atlantic: Antarctica, South Shetland Island, South Georgia.
Colonies with the appearance of a gorgonid, up to 38 cm high and for a large strongly polysiphonic. Hydrorhiza disc shaped or composed of a few thick stolonal tubes. Branching beginning at base of colony, in one plane and frequent, usually irregular, but sometimes alternate. Branches long, flattened arising branches from which they originate. Many basal branches also polysiphonic.
Length is based on colonies height. Inhabits stones, gravel and sand (Ref. 7414). Members of the order Leptothecata include L-form hydroids. Life cycle: The zygote develops into planula and later into polyp then into free-swimming medusa (Ref. 833).
IUCN Red List Status (Ref. 114614)
CITES status (Ref. 94142)
Threat to humans
| FisheriesWiki |
Estimation of some characteristics with mathematical models
Low to moderate vulnerability (28 of 100)