Ascidiacea |
Stolidobranchia |
Styelidae
Environment: milieu / climate zone / depth range / distribution range
Ecology
Sessile; depth range 3000 - 7000 m (Ref. 2665). Polar
Atlantic Ocean, Indo-Pacific, Antarctic, and the Mediterranean: Subantarctic Region, Western South America, and Europe.
Length at first maturity / Size / Weight / Age
Maturity: Lm ? range ? - ? cm Max length : 2.0 cm TL male/unsexed; (Ref. 3462)
Minimum depth from Ref. 2892. Attached to small stones (Ref. 1744). Generally fixed on rocky bottom, loose blocks, polymetallic nodules and plates, and shells (Ref. 2665).
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.
Sanamyan, K.E. and N.P. Sanamyan 2002 Deep-water ascidians from the south-western Atlantic (RV Dmitry Mendeleev, cruise 43 and Academic Kurchatov, cruise 11). Journal of Natural History 36:305-359. (Ref. 1744)
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 - 1.9, mean 1.2 (based on 18442 cells).
Fishing Vulnerability
Low vulnerability (10 of 100).
Price category
Unknown.
