Ascidiacea |
Stolidobranchia |
Pyuridae
Environment: milieu / climate zone / depth range / distribution range
Ecology
Sessile; depth range 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
Maturity: 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
Maturity | Reproduction | Spawning | 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 |
Tools
More information
Trophic EcologyFood items (preys)
Diet composition
Food consumption
Predators
Population dynamicsGrowth
Max. ages / sizes
Length-weight rel.
Length-length rel.
Length-frequencies
Mass conversion
Abundance
Life cycleReproductionMaturityFecunditySpawningEggsEgg developmentLarvae PhysiologyOxygen consumption
Human RelatedStamps, coins, misc.
Internet sources
Estimates based on models
Preferred temperature
(Ref.
115969): 0.2 - 7.8, mean 1.1 (based on 1005 cells).
Price category
Unknown.
