Hexacorallia |
Actiniaria |
Metridiidae
Environment: milieu / climate zone / depth range / distribution range
Ecology
Sessile. Temperate
Southwest Pacific.
Length at first maturity / Size / Weight / Age
Maturity: Lm ? range ? - ? cm
Grayish in situ. Adherent pedal disc wider than the cylindrical column. Cinclides present on the upper part of the column. Tentacles crowded and arranged in 4 to 5 cycles; may have black tips. Mesogloea in variable thickness, appears fibrillar in structure and contains numerous collections of cells. Weak mesogloeal sphincter is present. Forty-five pairs of mesenteries arranged in 4 cycles (Ref. 89044).
Occurs on the under-side of stones on muddy or sandy bottoms (Ref. 89044).
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Members of the class Anthozoa are either gonochoric or hermaphroditic. Mature gametes are shed into the coelenteron and spawned through the mouth. Life cycle: The zygote develops into a planktonic planula larva. Metamorphosis begins with early morphogenesis of tentacles, septa and pharynx before larval settlement on the aboral end.
Stuckey, F.G.A. and M.A. Wellington 1914 Description of a collection of Actinians from the Kermadec Islands. Trans NZ Inst Wellington 46:132-134. (Ref. 89044)
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 PhysiologyOxygen consumption
Human RelatedStamps, coins, misc.
Internet sources
Estimates based on models
