Common names from other countries
Environment: milieu / climate zone / depth range / distribution range
Ecologie
; brakwater; diepteverspreiding 0 - 20 m (Ref. 101198). Tropical, preferred 27°C (Ref. 107945); 46°N - 39°S, 26°E - 134°W (Ref. 106948)
Indo-Pacific.
Length at first maturity / Size / Gewicht / Leeftijd
Maturity: Lm ?, range 2 - 2.1 cm Max length : 9.0 cm SHL mannelijk/geslacht niet bekend; (Ref. 348); common length : 6.0 cm SHL mannelijk/geslacht niet bekend; (Ref. 348); Maximaal vermelde leeftijd: 12 jaren (Ref. 126573)
Shell equivalve, thick and solid, ovate, strongly inflated, slightly longer than high and feebly inequilateral. Umbones strongly protruding, cardinal area rather large. About 18 radial ribs (15 to 20) with wide interstices at each valve; ribs stout and distinctly rugose, bearing regular, often rectangular nodules. Periostracum rather thin and smooth. Internal margins with strong crenulations corresponding with the external radial ribs. No byssal gape. Colour: outside of shell white under the yellowish brown periostracum. Inner side white, often tinged yellow towards the umbonal cavity.
This represents the most important commercial ark (Ref. 348).
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)
Status op de Rode Lijst van het IUCN (Ref. 130435: Version 2024-1)
Status bij CITES (Ref. 108899)
Not Evaluated
Not Evaluated
Gevaarlijk voor mensen
Harmless
Gebruik door de mens
Visserij: commercieel
FAO - Aquacultuur: production; Visserij: landings, soortsprofiel | FishSource | Sea Around Us
Tools
Internet-bronnen
Estimates based on models
Preferred temperature
(Ref.
115969): 21.8 - 29.3, mean 28.4 (based on 3701 cells).
Weerstandsvermogen
Hoog, minimale populatieverdubbelingstijd minder dan 15 maanden (K=0.54-4.34; tm=0.6; tmax=12).
Prior r = 0.85, 95% CL = 0.56 - 1.28, Based on 2 data-limited stock assessments.
Kwetsbaarheid
Low to moderate vulnerability (28 of 100).