Bivalvia | Arcoida
Leal, J.H. 2003. (Ref. 344)
Size / Weight / Age
Max length : 4.1 cm DL male/unsexed; (Ref. 83435); common length : 7.8 cm TL male/unsexed; (Ref. 344)
Benthic; depth range 0 - 75 m (Ref. 83435)
Climate / Range
Tropical; 18°N - 18°N, 88°E - 88°E (Ref. 83435)
Shell heavy, sturdy, almost as high as long, inequivalve, with left valve overlapping right. Sculpture of 26 to 28 radial ribs of square cross-section, each with prominent beads. Umbones facing each other. Hinge straight, ligament short, ligamental area with transversal striations. Periostracum thin. Colour: white, periostracum light brown (Ref. 344).
It has a total length of 7.8 cm. Fisheries: collected mostly in the southern half of the area (Ref. 344). Epibiotic (Ref. 104365). Occurs on sand, shell rubble, and seagrass beds at shallow subtidal depths (Ref. 344). 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 (Ref. 833).
IUCN Red List Status (Ref. 114614)
CITES status (Ref. 94142)
Threat to humans
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Estimation of some characteristics with mathematical models