Thecostraca |
Balanomorpha |
Chthamalidae
Environment: milieu / climate zone / depth range / distribution range
Ecology
Sessile; depth range 0 - 10 m (Ref. 87916). Subtropical
Southeast Pacific: Endemic to Easter Island.
Length at first maturity / Size / Weight / Age
Maturity: Lm ? range ? - ? cm Max length : 4.5 cm WD male/unsexed; (Ref. 87916)
Found on rock surfaces covered with coralline and filamentous algae on surf shores. Becomes more cryptic with increasing depth (Ref. 87916).
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Members of the superorder Thoracica are mostly hermaphroditic. Broadcast spawners, fertilization occurs in the mantle cavity. Life cycle: Eggs hatch into planktonic nauplii and leave the mantle cavity. Afterwards, they undergo six naupliar instars succeded by nonfeeding cypris larva (settling stage) which later metamorphose into adults.
Foster, B.A. and W.A. Newman 1987 Chthamalid barnacles of Easter Island; peripheral Pacific isolation of Notochthamalinae new subfamily and Hembeli-group of Europhiinae (Cirripedia: Chthamaloidea). Bull. Mar. Sci. 41(2):322-336. (Ref. 87916)
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 compositionFood consumptionPredators 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).
