Ascidiacea |
Phlebobranchia |
Agneziidae
Environment: milieu / climate zone / depth range / distribution range
Ecology
Sessile; depth range 3500 - 6000 m (Ref. 2892). Tropical
Distribution
Countries | FAO areas | Ecosystems | Occurrences | Introductions
Pacific Ocean.
Length at first maturity / Size / Weight / Age
Maturity: Lm ? range ? - ? cm
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 1998 Some deep-water ascidians from the NW Pacific (Tunicata: Ascidiacea). Zoosystematica Rossica 7(2):209-214. (Ref. 3397)
IUCN Red List Status
(Ref. 130435: Version 2025-1)
CITES status (Ref. 108899)
Not Evaluated
Not Evaluated
Threat to humans
Harmless
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 DistributionCountriesFAO areasEcosystemsOccurrencesIntroductions PhysiologyOxygen consumption
Human RelatedStamps, coins, misc.
Internet sources
Estimates based on models
