Hydrozoa |
Leptothecata |
Sertulariidae
Environment: milieu / climate zone / depth range / distribution range
Ecology
Sessile; depth range 55 - 661 m (Ref. 7414). Polar
Circum-Antarctic.
Length at first maturity / Size / Weight / Age
Maturity: Lm ?  range ? - ? cm Max length : 3.0 cm WD male/unsexed; (Ref. 7414)
Colonies consisting of a mass of stems and branches up to 3 cm in diameter. Branching frequent and irregular. Branches numerous and provided with many anastomoses, giving the colony a compact appearance.
Depth and length based on occurrence record; to be replaced with better reference.
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.
Peña Cantero, A.L. and W. Vervoort. 2003. (Ref. 7414)
IUCN Red List Status (Ref. 130435: Version 2024-1)
CITES status (Ref. 108899)
Not Evaluated
Not Evaluated
Threat to humans
Harmless
Human uses
| FishSource |
Tools
More information
Trophic EcologyFood items
Diet
Food consumption
Ration
Predators
Population dynamicsGrowth
Age/Size
Length-weight
Length-length
Length-frequencies
Mass conversion
Recruitment
Abundance
Life cycleReproductionMaturityFecunditySpawningEggsEgg developmentLarvaeLarval dynamics Human RelatedAquaculture profile
Stamps, Coins Misc.
Internet sources
Estimates based on models
Preferred temperature
(Ref.
115969): -1.8 - 0.8, mean -1 (based on 441 cells).
Vulnerability
Low vulnerability (10 of 100).