Hydrozoa |
Anthoathecata |
Hydractiniidae
Environment: milieu / climate zone / depth range / distribution range
Ecology
Pelagic-neritic; depth range 0 - 50 m (Ref. 93520). Temperate; 64°N - 55°S, 87°W - 33°E
Southeast Pacific, Atlantic Ocean and the Mediterranean: from Chile to Cancun Mexico, north to Iceland and east to Egypt. Subtropical to temperate waters.
Length at first maturity / Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
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.
Greve, W., F. Reiners, J. Nast and S. Hoffmann 2004 Helgoland roads meso- and macrozooplankton time-series 1974 to 2004: lessons from 30 years of single spot, high frequency sampling at the only off-shore island of the North Sea. Helgol Mar Res 58:274-288. (Ref. 2988)
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
Trophic EcologyFood items (preys)
Diet composition
Food consumption
Predators
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
Price category
Unknown.