Bivalvia |
Mytilida |
Mytilidae
Environment: milieu / climate zone / depth range / distribution range
Ekologi
. Tropical
Indo-West Pacific: from northwest Indian Ocean, including the Red Sea, to Indonesia; north to Vietnam and south to New Caledonia. Exact distribution of this species is not known, because of confusions with other related mytilid species.
Length at first maturity / Size / Vikt / Age
Maturity: Lm ?  range ? - ? cm Max length : 5.0 cm TL hane/ej könsbestämd; (Ref. 348); common length : 3.0 cm TL hane/ej könsbestämd; (Ref. 348); rapporterad maxålder: 2.00 år (Ref. 8702)
Shell rather small, thin and fragile, somewhat translucent, roughly elongate trapeziform in outline, with very long and rather narrow shape. Anterior margin of valves quite short and sharply rounded, clearly extending forwards beyond the umbones. Ventral margin very long and broadly concave medially. A broad and rounded keel, radiating obliquely towards posteroventral end of valves and bordered anteriorly by a wide and shallow depression determining the sinuation of ventral margin. Outer surface of valves smoothish with only fine concentric growth lines and a few small radial grooves in front of the umbones. Periostracum smooth and shiny, translucent, closely applied to shell surface. Hinge line with very small crenulations, mainly appearing behind the ligamental margin. Anterior adductor scar present. Internal margins very thin and smooth, undulate anteriorly in relation to the outer radial sculpture. Colour: outer coloration variable, light tan to olive-green or brown, often paler on the keel, with a median radial band and sometimes irregular transverse stripes of purplish brown on posterodorsal slope. Interior slightly pearly, pale bluish grey with the outer colour pattern showing through.
Life cycle and mating behavior
Könsmognad | Reproduktion | Lek | Ägg | Fecundity | Larver
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 2024-1)
CITES status (Ref. 108899)
Not Evaluated
Not Evaluated
Threat to humans
Harmless
Human uses
| FishSource |
Verktyg
Ytterligare information
Trophic EcologyFödoslag
Föda
Födointag
Näringsinnehåll
Predatorer
Population dynamicsTillväxtAge/SizeLength-weightLength-lengthLength-frequenciesMass conversionRekryteringAbundans Life cycleReproduktionKönsmognadFecundityLekÄggEgg developmentLarverLarvdynamik Human RelatedVattenbruksprofil
Stamps, Coins Misc.
Internet-källor
Estimates based on models
Preferred temperature
(Ref.
115969): 27.1 - 29.3, mean 28.7 (based on 1810 cells).
Resiliens
Hög, lägsta populationsfördubblingstid mindre än 15 månader (K=1.2; tmax=2).
Vulnerability
Low vulnerability (10 of 100).