Bivalvia |
Arcida |
Arcidae
Environment: milieu / climate zone / djupintervall / distribution range
Ekologi
; djupintervall 0 - 10 m (Ref. 348). Tropical
Indo-West Pacific: from Myanmar to the Philippines; north to East China Sea and south to Malaysia.
Length at first maturity / Size / Weight / Age
Könsmognad: Lm ?  range ? - ? cm Max length : 6.0 cm TL hane/ej könsbestämd; (Ref. 348); common length : 4.0 cm TL hane/ej könsbestämd; (Ref. 348)
Shell equivalve, moderately inflated and solid, oblong ovate and distinctly longer than high. Umbones moderately protruding, cardinal area rather narrow. About 21 radial ribs (19 to 23) at each valve; ribs quite narrow and sharp, distinctly rugose, bearing regular rounded nodules on the top. Periostracum rather thin and smooth. Internal margins with strong crenulations corresponding with the external ribs. No byssal gap. Colour: outside of shell white under the medium brown periostracum. Inner side milky white.
On sand and mud bottoms. Intertidal and shallow sublittoral waters to a depth of 10 m (Ref. 348).
Life cycle and mating behavior
Könsmognad | Reproduktion | Lek | Eggs | Fecundity | Larvae
Members of the class Bivalvia are mostly gonochoric, some are protandric hermaphrodites. Life cycle: Embryos develop into free-swimming trocophore larvae, succeeded by the bivalve veliger, resembling a miniature clam.
Poutiers, J.M. 1998. (Ref. 348)
IUCN Red List Status
(Ref. 130435: Version 2024-2)
CITES status (Ref. 108899)
Not Evaluated
Not Evaluated
Threat to humans
Harmless
Human uses
Fiskeri: kommersiell
| FishSource |
Verktyg
Ytterligare information
Trophic EcologyFödoslag
Födosammansättning
Födointag
Food rations
Predatorer
Population dynamicsTillväxt
Max. ages / sizes
Length-weight rel.
Length-length rel.
Length-frequencies
Mass conversion
Rekrytering
Abundans
Life cycleReproduktionKönsmognadFecundityLekEggsEgg developmentLarvaeLarvdynamik Human RelatedAquaculture profiles
Stamps, coins, misc.
Internet-källor
Estimates based on models
Preferred temperature
(Ref.
115969): 25.3 - 29.3, mean 28.7 (based on 1860 cells).
Vulnerability
Low vulnerability (10 of 100).