Bivalvia | Pectinida
Environment: milieu / climate zone / depth range / distribution range
Benthic; depth range 0 - 366 m (Ref. 83435), usually 8 - 11 m (Ref. 83435). Tropical, preferred 24°C (Ref. 107945); 38°N - 6°S, 98°W - 35°W (Ref. 83435)
Length at first maturity / Size / Weight / Age
Maturity: Lm ?  range ? - ? cm Max length : 5.2 cm male/unsexed; (Ref. 83435); common length : 6.3 cm TL male/unsexed; (Ref. 344); max. reported age: 2.00 years (Ref. 8702)
Shell outline almost circular, valves very inflated, wing-like projections relatively poorly developed. Surface sculpture of about 20 ribs, smooth square in cross-section. Hinge straight. Colour: upper valve bright, variable, ranging from brown to red to lavender rose to whitish with purplish or reddish mottlings, colour of lower valve much lighter, whitish with lighter markings.
Life span: 18 to 24 months (Ref. 350). Lives in beds in shallow to moderately deep water, usually on (or buried in) sandy bottoms (Ref. 344). Also in seagrass and algae beds (Ref. 106861). Spawning and recruitment occur throughout the year, with peaks in late autumn and spring (Ref. 344).
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Spawning and recruitment occur throughout the year, with peaks in late autumn and spring.
Leal, J.H. 2003. (Ref. 344)
IUCN Red List Status (Ref. 123251)
CITES status (Ref. 108899)
Threat to humans
Fisheries: highly commercial
FAO - Fisheries: landings | FishSource | Sea Around Us
Estimates of some properties based on models
): 23.7 - 28, mean 26.9 (based on 680 cells).
Prior r = 1.01, 95% CL = 0.66 - 1.51, Based on 1 stock assessment.