Common names from other countries
Environment: milieu / climate zone / depth range / distribution range
Ekologi
; kisaran kedalaman 0 - 20 m (Ref. 348). Tropical
Indo-Pacific: East Africa to Red Sea and Polynesia.
Length at first maturity / Size / Weight / umur
Maturity: Lm ? range ? - ? cm Max length : 9.0 cm TL jantan/; (Ref. 348); common length : 7.0 cm TL jantan/; (Ref. 348)
Shell equivalve, thick and inflated, very inequilateral, posteriorly expanded. Shape somewhat irregular, elongate rectangular in outline, with strongly protruding umbones anteriorly and a broad rounded keel from umbones to posteroventral margin. Posterior margin obliquely truncate, ventral margin slightly sinuous with a well-developed byssal gape. Cardinal area wide and riblets crossed by irregular growth marks, and a few larger radial ribs on posterodorsal slope. Periostracum coarsely pilose, mainly persisting towards shell margins. Hinge straight very long and narrow. Internal margins smooth. Colour: Outside of shell often encrusted with marine growths; posterior half dark brown, anterior half creamy white with zebra-like brown stripes. Inner side more or less strongly tinged with dark brown.
Found in reef areas of lagoons (Ref. 97298). Fixed on rocks, corals, or under stones. Littoral to sublittoral waters to a depth of 20 m (Ref. 348).
Life cycle and mating behavior
Kematangan | Reproduksi, perkembang biakan | Pemijahan | telur-telur | Fecundity | Larva
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)
status CITES (Ref. 108899)
Not Evaluated
Not Evaluated
ancaman kepada manusia
Harmless
penggunaan manusia
Perikanan: komersial
| FishSource |
Alat, peralatan
Sumber internet
Estimates based on models
Preferred temperature
(Ref.
115969): 24.2 - 29.2, mean 28 (based on 4316 cells).
Daya lenting
Rendah, Waktu penggandaan populasi minimum 4.5 - 14 tahun (K=0.06).
keancaman
High vulnerability (58 of 100).
