Hydrozoa | Anthoathecata
Environment: milieu / climate zone / depth range / distribution range
Pelagic; depth range 12 - 55 m (Ref. 865). Subtropical
Eastern Pacific: Mexico, USA and Canada.
Length at first maturity / Size / Weight / Age
Maturity: Lm ?  range ? - ? cm Max length : 30.0 cm H male/unsexed; (Ref. 865)
Calcareous colonies, no free medusae (Ref. 1663).
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
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.
Cairns, S.D., D.R. Calder, A. Brinckmann-Voss, C.B. Castro, D.G. Fautin, P.R. Pugh, C.E. Mills, W.C. Jaap, M.N. Arai, S.H.D. Haddock and D.M. Opresko. 2003. (Ref. 1663)
IUCN Red List Status (Ref. 126983)
CITES status (Ref. 108899)
Threat to humans
| FishSource |
Estimates of some properties based on models
): 8.6 - 16.3, mean 9.7 (based on 28 cells).