Ascidiacea |
Stolidobranchia |
Styelidae
Environment: milieu / climate zone / depth range / distribution range
Ecology
Sessile; depth range 0 - 1549 m (Ref. 3435). Polar
Southwest Atlantic, Southern Pacific and the Antarctic: From Antarctica to sub-Antarctic islands and South America.
Length at first maturity / Size / Weight / Age
Maturity: Lm ? range ? - ? cm Max length : 20.0 cm TL male/unsexed; (Ref. 2588)
This species is the largest and most abundant Styelidae in the Antarctic Ocean (Ref. 2588). Maximum depth from Ref. 116836. Found on muddy bottoms at depths of 15 to 30 m, on hard bottoms at a depth of 30 m, and on moraine deposits at depths of 25 to 30 m (Ref. 1753), and also from depths of 0 to 200 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.
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 |
Tools
More information
Trophic EcologyFood items (preys)
Diet composition
Food consumption
Predators
Life cycleReproductionMaturityFecunditySpawningEggsEgg developmentLarvae PhysiologyOxygen consumption
Human RelatedStamps, coins, misc.
Internet sources
Estimates based on models
Preferred temperature
(Ref.
115969): -1.8 - 7.2, mean -0.6 (based on 513 cells).
Fishing Vulnerability
Low vulnerability (10 of 100).
Price category
Unknown.
