Ascidiacea |
Aplousobranchia |
Polyclinidae
Environment: milieu / climate zone / djupintervall / distribution range
Ekologi
; djupintervall 8 - 400 m (Ref. 1603). Boreal
Northern Pacific, Northeast Atlantic and the Arctic.
Length at first maturity / Size / Weight / Age
Könsmognad: Lm ?  range ? - ? cm Max length : 7.0 cm COLD hane/ej könsbestämd; (Ref. 3396)
Minimum depth from Ref. 3511. Colonial (Ref. 3396).
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.
de Kluijver, M.J. and S.S. Ingalsuo 2006 Tunicata: Macrobenthos of the North Sea. Zoological Museum, University of Amsterdam. http://ip30.eti.uva.nl/bis/tunicata.php (Ref. 1603)
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 dynamicsTillväxtMax. ages / sizesLength-weight rel.Length-length rel.Length-frequenciesMass conversionAbundans PhysiologySyreförbrukning
Human RelatedStamps, coins, misc.
Internet-källor
Estimates based on models
Preferred temperature
(Ref.
115969): 0.5 - 11.2, mean 6.3 (based on 1130 cells).
Fishing Vulnerability
Low vulnerability (10 of 100).
Price category
Unknown.