Hydrozoa |
Anthoathecata |
Hydractiniidae
Environment: milieu / climate zone / depth range / distribution range
Ecology
Pelagic. Subtropical
Pacific Ocean: Japan, USA and Canada.
Length at first maturity / Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Colonial (Ref. 19).
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.
Bouillon, J., C. Gravili, F. Pagès, J.-M. Gili and F. Boero. 2006. (Ref. 8278)
IUCN Red List Status
(Ref. 130435: Version 2024-2)
CITES status (Ref. 108899)
Not Evaluated
Not Evaluated
Threat to humans
Harmless
Human uses
| FishSource |
Tools
More information
Trophic EcologyFood items (preys)
Diet composition
Food consumption
Predators
Population dynamicsGrowth
Max. ages / sizes
Length-weight rel.
Length-length rel.
Length-frequencies
Mass conversion
Abundance
Life cycleReproductionMaturityFecunditySpawningEggsEgg developmentLarvae PhysiologyOxygen consumption
Human RelatedStamps, coins, misc.
Internet sources
Estimates based on models
Price category
Unknown.