Ascidiacea |
Stolidobranchia |
Pyuridae
Environment: milieu / climate zone / djupintervall / distribution range
Ekologi
; djupintervall 0 - 500 m (Ref. 3435). Polar
Antarctic and sub-Antarctic.
Length at first maturity / Size / Weight / Age
Könsmognad: Lm ? range ? - ? cm
Found on soft bottoms at depths of 20 to 30 m, and on moraine deposits at a depth of 30 m (Ref. 1753). Known from depths of 0 to 500 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.
Tatian, M., R.J. Sahade, M.E. Doucet and G.B. Esnal 1998 Ascidians (tunicata, ascidiacea) of Potter cove, South Shetland Islands, Antarctica. Antarc. Sci. 10(2):147-152. (Ref. 1753)
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): -1.8 - 0.3, mean -1.2 (based on 326 cells).
Price category
Unknown.
