Hydrozoa |
Leptothecata |
Blackfordiidae
Environment: milieu / climate zone / depth range / distribution range
Ecology
Pelagic; depth range 0 - 30 m (Ref. 116114). Boreal
Black Sea: Sea of Azov. 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)
Estuarine, neritic (Ref. 116114). 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).
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 Pacific coasts pelagic invertebrates: a guide to the common gelatinous animals. Sea Challengers and the Monterey Bay Aquarium, Monterey, California.112 p. (Ref. 2376)
IUCN Red List Status
(Ref. 130435: Version 2025-1)
CITES status (Ref. 108899)
Not Evaluated
Not Evaluated
Threat to humans
Human uses
| FishSource |
Tools
More information
Population dynamicsGrowthMax. ages / sizesLength-weight rel.Length-length rel.Length-frequenciesMass conversionAbundance Life cycleReproductionMaturityFecunditySpawningEggsEgg developmentLarvae PhysiologyOxygen consumption
Human RelatedStamps, coins, misc.
Internet sources
Estimates based on models
Fishing Vulnerability
Low vulnerability (10 of 100).
Price category
Unknown.
