Hydrozoa |
Leptothecata |
Phialellidae
Environment: milieu / climate zone / depth range / distribution range
Ecology
Benthic; depth range 11 - 30 m (Ref. 87801). Temperate
Cosmopolitan.
Length at first maturity / Size / Weight / Age
Maturity: Lm ?  range ? - ? cm Max length : 1.3 cm WD male/unsexed; (Ref. 2992)
This species is found on algae and is epizoic on hydroids, Symplectoscyphus spp., Parascyphus repens, Bougainvillia muscus at depths of 11 to 30m (Ref. 87801).
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Members of the order Leptothecata include L-form hydroids. Life cycle: The zygote develops into planula and later into polyp then into free-swimming medusa.
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
Preferred temperature
(Ref.
115969): 8.5 - 12.4, mean 10.6 (based on 112 cells).
Fishing Vulnerability
Low vulnerability (10 of 100).
Price category
Unknown.