Bivalvia | Pterioida
Leal, J.H. 2003. (Ref. 344)
Size / Weight / Age
Common length : 7.6 cm TL male/unsexed; (Ref. 344); max. reported age: 8 years (Ref. 8702)
Benthic; depth range 0 - 23 m (Ref. 104365)
Climate / Range
Atlantic and Indo-West Pacific.
Shell roundish, thin, flattened to moderately inflated, inequivalve. Hinge with 2 wing-like projections, posterior projection shorter than that of Pteria colymbus. Periostracum with flat, scale-like projections aligned concentrically. Colour: externally tan, brown, or purplish, with greenish cast, internally nacreous.
Lives attached to rocks or other hard substrates, in shallow subtidal depths. Small live specimens found in rock-pools between tide-marks (Ref. 88739). 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
Fisheries: highly commercial
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Estimation of some characteristics with mathematical models