Ascidiacea |
Stolidobranchia |
Pyuridae
Environment: milieu / climate zone / djupintervall / distribution range
Ekologi
; djupintervall 0 - 2037 m (Ref. 2588). Polar
Southwest Atlantic, Antarctic and Indo-West Pacific: From Antarctica to sub-Antarctic islands and New Zealand.
Length at first maturity / Size / Weight / Age
Könsmognad: Lm ?  range ? - ? cm
This deep species was not previously known below 1250 m (Ref. 2588). Minimum depth from Ref. 2892. Known from depths of 201 to more than 1000 m (Ref. 3435).
Life cycle and mating behavior
Könsmognad | Reproduktion | Lek | Eggs | Fecundity | Larvae
Members of the class Ascidiacea are hermaphroditic; both cross- and self-fertilization is typical. Life cycle: Eggs develop into lecithotrophic larva before metamorphosing into benthic adults.
Monniot, C. and F. Monniot 1994 Ascidians collected in the Weddell Sea by the RV "Polarstern" (EPOS cruise leg 3). Bulletin of Muséum national d'Histoire naturelle Series 16, Section A(1):13-37. (Ref. 2588)
IUCN Red List Status
(Ref. 130435: Version 2025-1)
CITES status (Ref. 108899)
Not Evaluated
Not Evaluated
Threat to humans
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): 0.2 - 7.8, mean 1.1 (based on 1005 cells).
Price category
Unknown.