Bivalvia |
Arcida |
Arcidae
Umwelt: Milieu / Klimazone / Tiefenbereich / Verbreitungsgebiet
Ökologie
Benthic; tiefenbereich 0 - 25 m (Ref. 348). Tropical
Indo-West Pacific. Climate: tropical to subtropical.
Länge bei der ersten Reifung / Größe / Gewicht / Alter
Geschlechtsreife: Lm ?  range ? - ? cm Max length : 5.0 cm TL Männchen/unbestimmt; (Ref. 348); common length : 4.0 cm TL Männchen/unbestimmt; (Ref. 348)
Shell solid, laterally compressed and subrectangular in shape, very inequilateral, much longer than high and wider posteriorly; slightly inequivalve, left valve somewhat overlapping the right valve on posteroventral margin. Umbones small and situated anteriorly, cardinal area long and narrow. About 28 radial ribs (25 to 33) at each valve; ribs low and flat, wider than the interstices, slightly granulated on the anterior part of left valve. Periostracum coarse, concentrically striated. Internal margins with crenulations corresponding with the external radial ribs. No byssal gape. Colour: outside of shell whitish under the blackish brown periostracum. Inner side white, often tinged pale grey at periphery.
This species is considered to have a wide range, but the relationship between the Indian Ocean and West Pacific forms is insufficiently known (Ref. 348). On sand and mud bottoms. Littoral and sublittoral to a depth of 25 m (Ref. 348).
Lebenszyklus und Paarungsverhalten
Geschlechtsreife | Fortpflanzung | Ablaichen | Eier | Fruchtbarkeit | Larven
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 Bivalves. Acephala, Lamellibranchia, Pelecypoda. p. 123-362. In Carpenter, K. E. and V. H. Niem. 1998. FAO species identification guide for fishery purposes. The living marine resources of the Western Central Pacific. Volume 1. Seaweeds, corals, bivalves, and gastropods. Rome, FAO. (Ref. 348)
IUCN Rote Liste Status
(Ref. 130435: Version 2025-2 (Global))
CITES Status (Ref. 108899)
Not Evaluated
Not Evaluated
Bedrohung für Menschen
Harmless
Nutzung durch Menschen
Fischereien: kommerziell
FAO - Publication: search | FishSource |
Tools
Mehr Information
Trophische ÖkologieLebensmittel (Beutetiere)
Nahrungszusammensetzung
Nahrungsaufnahme
Räuber
PopulationsdynamikWachstum
Max. Alter/Größen
Länge-Gewicht-Rel.
Länge-Länge-Verhältnis.
Längenhäufigkeiten
Massenkonvertierung
Dichte
LebenszyklusFortpflanzungGeschlechtsreifeFruchtbarkeitAblaichenEierEientwicklungLarven PhysiologieSauerstoffverbrauch
MenschenbezogenBriefmarken, Münzen, Verschiedenes.
Internet Quellen
Schätzungen auf der Grundlage von Modellen
Anfälligkeit der Fischerei (Ref. 71543) |
Low vulnerability (10 of 100). |
Preiskategorie (Ref. 80766): |
Unknown. |