Common names from other countries
Environment: milieu / climate zone / depth range / distribution range
Ekologi
; payau; kisaran kedalaman 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 / Weight / umur
Maturity: Lm ?, range 2 - 2.1 cm Max length : 9.0 cm SHL jantan/; (Ref. 348); common length : 6.0 cm SHL jantan/; (Ref. 348); Umur maksimum dilaporkan: 12 Tahun (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.
rujukan utama
Acuan | Koordinator | mitra
Poutiers, J.M. 1998. (Ref. 348)
Status IUCN Red List (Ref. 130435: Version 2024-1)
status CITES (Ref. 108899)
Not Evaluated
Not Evaluated
ancaman kepada manusia
Harmless
penggunaan manusia
Perikanan: komersial
FAO - Budidaya air: production; Perikanan: landings, profail spesis | FishSource | Sea Around Us
Alat, peralatan
Sumber internet
Estimates based on models
Preferred temperature
(Ref.
115969): 21.8 - 29.3, mean 28.4 (based on 3701 cells).
Daya lenting
Tinggi, Waktu penggandaan populasi minimum kurang dari 15 bulan (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.
keancaman
Low to moderate vulnerability (28 of 100).