Hydrozoa |
Actinulida |
Halammohydridae
Environment: milieu / climate zone / depth range / distribution range
Ecology
Pelagic; depth range 40 - 60 m (Ref. 2992). Subtropical
Northeast Atlantic and the Mediterranean: France.
Length at first maturity / Size / Weight / Age
Maturity: Lm ?  range ? - ? cm Max length : 0.0 cm BL male/unsexed; (Ref. 2992)
Body up to 0.035 cm long, with up to 24, 12 to 16 tentacles, simple, short up to 0.05 cm when fully extended; 8 to 12 statocysts.
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Members of the order Actinulida include L-form hydroids. Life cycle: The zygote may either develop into an actinula or planula; if planula is released, it directly transforms into an actinula.
Hansson, H.G. 1998. (Ref. 3304)
IUCN Red List Status
(Ref. 130435: Version 2024-2)
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 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
Fishing Vulnerability
Low vulnerability (10 of 100).
Price category
Unknown.