Hydrozoa | Leptothecata
PeÃ±a Cantero, A.L. and W. Vervoort. 2003. (Ref. 7414)
Size / Weight / Age
Demersal; depth range 672 - 830 m (Ref. 7414)
Climate / Range
Antarctic Atlantic: Antarctica (Weddell Sea).
Erect and polysiphonic stems, scarcely branched in one plane, by the presence of two to three hydrothecae per verticil, and by the absence of both anastomoses and mushroom-shaped diaphragm.
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
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Estimation of some characteristics with mathematical models