Common names from other countries
Environment: milieu / climate zone / depth range / distribution range
Écologie
; profondeur 0 - 20 m (Ref. 348). Tropical
Indo-Pacific: East Africa to Red Sea and Polynesia.
Length at first maturity / Taille / Poids / Âge
Maturity: Lm ? range ? - ? cm Max length : 9.0 cm TL mâle / non sexé; (Ref. 348); common length : 7.0 cm TL mâle / non sexé; (Ref. 348)
Description synthétique
Morphologie
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
Maturité | Reproduction | Frai | Œufs | Fécondité | Larves
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)
Statut dans la liste rouge de l'IUCN (Ref. 130435)
statut CITES (Ref. 108899)
Not Evaluated
Not Evaluated
Menace pour l'homme
Harmless
Utilisations par l'homme
Pêcheries: commercial
| FishSource |
Outils
Sources Internet
Estimates based on models
Preferred temperature
(Ref.
115969): 24.2 - 29.2, mean 28 (based on 4316 cells).
Résilience
Faible, temps minimum de doublement de population : 4,5 à 14 années (K=0.06).
Vulnérabilité
High vulnerability (58 of 100).
