Hexactinellida |
Hexactinosida |
Aphrocallistidae
Environment: milieu / climate zone / depth range / distribution range
Ecology
Sessile; depth range 30 - ? m (Ref. 865). Temperate
Pacific Ocean.
Length at first maturity / Size / Weight / Age
Maturity: Lm ? range ? - ? cm Max length : 90.0 cm H male/unsexed; (Ref. 865)
Distinctive, large, white massive formations, usually in distorted vase forms which can reach 90 cm in diameter (Ref. 865). Reef building, found on gravel and rock substrates (Ref. 92818) at depths between 30 m (Ref. 865) to 300 m (Ref. 92819).
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Members of the class Hexactinellida are hermaphroditic. Life cycle: The zygote develops into trichimella larva (free-swimming) before settling down on a substrate where it grows into a young sponge.
Austin, W.C. 1999 Rare and endangered marine invertebrates in British Columbia. Proc. Biology and Management of Species and Habitats at Risk, Kamloops, B. C., 15-19, Feb 1999. (Ref. 1306)
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
High vulnerability (56 of 100).
Price category
Unknown.
