Hydrozoa | Leptothecata
Environment: milieu / climate zone / depth range / distribution range
Arctic, North Atlantic and Eastern Pacific.
Length at first maturity / Size / Weight / Age
Maturity: Lm ?  range ? - ? cm Max length : 1.4 cm WD male/unsexed; (Ref. 2992)
Coastal species, estuarine; weak swimmer; feed on copepods, polychaete larvae and fish larvae (Ref. 2376). Species exhibits both asexual and sexual reproduction by budding during hydroid stage and release of gametes in medusae stages (Ref. 1663, p. 18, 26).
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Species exhibits both asexual and sexual reproduction by budding during hydroid stage and release of gametes in medusae stages (Ref. 1663, p. 18, 26).
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. 119314)
CITES status (Ref. 108899)
Threat to humans
| FishSource |
Estimates of some properties based on models
): 5.7 - 12.4, mean 9.1 (based on 948 cells).
Low vulnerability (10 of 100)