Ascidiacea |
Aplousobranchia |
Polyclinidae
Environment: milieu / climate zone / depth range / distribution range
Ecology
Sessile; depth range 0 - 535 m (Ref. 1749). Boreal
Arctic, Northern Pacific and the Antarctic. Polar to temperate.
Length at first maturity / Size / Weight / Age
Maturity: Lm ? range ? - ? cm Max length : 4.0 cm COLD male/unsexed; (Ref. 1749)
Found in intertidal to 535 m (Ref. 1749).
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.
Lambert, G. 2003 New records of ascidians from the NE Pacific: a new species of trididemnum, range extension and redescription of Aplidiopsis pannosum (Ritter, 1899) including its larva, and several non-indigenous species. Zoosystema 25(4):665-679. (Ref. 1749)
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
Fishing Vulnerability
Low vulnerability (10 of 100).
Price category
Unknown.
