Gastropoda |
Ostreida |
Margaritidae
Environment: milieu / climate zone / depth range / distribution range
Ecology
Benthic; depth range 0 - 30 m (Ref. 104365). Tropical; 34°N - 37°S, 98°W - 29°W
Western Atlantic: From South Carolina to Uruguay.
Length at first maturity / Size / Weight / Age
Maturity: Lm ?  range ? - ? cm Max length : 8.8 cm SHL male/unsexed; (Ref. 85431); common length : 7.6 cm SHL male/unsexed; (Ref. 344); max. reported age: 8 years (Ref. 8702)
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.
Maximum depth from Ref. 85431.
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
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.
Leal, J.H. 2003. (Ref. 344)
IUCN Red List Status (Ref. 130435: Version 2024-1)
CITES status (Ref. 108899)
Not Evaluated
Not Evaluated
Threat to humans
Human uses
Fisheries: highly commercial
| FishSource |
Tools
More information
Trophic EcologyFood items
Diet
Food consumption
Ration
Predators
Human RelatedAquaculture profile
Stamps, Coins Misc.
Internet sources
Estimates based on models
Preferred temperature
(Ref.
115969): 20.5 - 29.1, mean 27.5 (based on 3386 cells).
Resilience
High, minimum population doubling time less than 15 months (K=0.94-1.42; tmax=8).
Vulnerability
Low vulnerability (24 of 100).
Price category
Unknown.