Hydrozoa | Leptothecata
Environment / Climate / Range
Eastern Pacific, Western Atlantic and the Black Sea: native to the Black Sea and introduced worldwide. Mostly boreal, but also in subtropical and tropical.
Length at first maturity / Size / Weight / Age
Maturity: Lm ?  range ? - ? cm Max length : 1.8 cm WD male/unsexed; (Ref. 2376)
Found mostly in bays and harbors (introduced by shipping). Tolerates salinities of 3 to 35 ppm, i.e., eurythermal; feeds on copepods, copepod nauplii and barnacle nauplii (Ref. 2376). Species exhibits both asexual and sexual reproduction by budding during hydroid stage and release of gametes in medusae stages (Ref. 1663, p. 19, 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. 19, 26).
Wrobel, D. and C.E. Mills. 1998. (Ref. 2376)
IUCN Red List Status (Ref. 115185)
CITES status (Ref. 108899)
Threat to humans
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Estimates of some properties based on models
Low vulnerability (10 of 100)