Hydrozoa |
Leptothecata |
Sertulariidae
Environment: milieu / climate zone / djupintervall / distribution range
Ekologi
; djupintervall 55 - 661 m (Ref. 7414). Polar
Circum-Antarctic.
Length at first maturity / Size / Weight / Age
Könsmognad: Lm ? range ? - ? cm Max length : 3.0 cm WD hane/ej könsbestämd; (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
Könsmognad | Reproduktion | Lek | 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 Species of Staurotheca Allman, 1888 (Cnidaria; Hydrozoa: Sertulariidae) from US Antarctic expeditions, with the description of three new species. Journal of Natural History 37:2653-2722. (Ref. 7414)
IUCN Red List Status
(Ref. 130435: Version 2025-1)
CITES status (Ref. 108899)
Not Evaluated
Not Evaluated
Threat to humans
Harmless
Human uses
| FishSource |
Verktyg
Ytterligare information
Trophic EcologyFood items (preys)
Födosammansättning
Födointag
Predatorer
Population dynamicsTillväxt
Max. ages / sizes
Length-weight rel.
Length-length rel.
Length-frequencies
Mass conversion
Abundans
PhysiologySyreförbrukning
Human RelatedStamps, coins, misc.
Internet-källor
Estimates based on models
Preferred temperature
(Ref.
115969): -1.8 - 0.8, mean -1 (based on 441 cells).
Fishing Vulnerability
Low vulnerability (10 of 100).
