Gastropoda |
Ostreida |
Margaritidae
Miljö: miljö / Klimatzon / djupintervall / distributionsområde
Ekologi
Benthic; djupintervall 0 - 30 m (Ref. 104365). Tropical; 34°N - 37°S, 98°W - 29°W
Western Atlantic: From South Carolina to Uruguay.
Längd vid första mognad / Storlek / Vikt / Ålder
Könsmognad: Lm ?  range ? - ? cm Max length : 8.8 cm SHL hane/ej könsbestämd; (Ref. 85431); common length : 7.6 cm SHL hane/ej könsbestämd; (Ref. 344); rapporterad maxålder: 8 år (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. Lives attached to rocks or other hard substrates, in shallow subtidal depths. Small live specimens found in rock-pools between tide-marks (Ref. 88739). Common in coralline bottoms (Ref. 128042).
Livscykel och parningsbeteende
Könsmognad | Reproduktion | Lek | Ägg | Fekunditet | Larver
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 Bivalves. p. 25-98. In Carpenter, K.E. (ed.). The living marine resources of the Western Central Atlantic. Volume 1: Introduction, molluscs, crustaceans, hagfishes, sharks, batoid fishes, and chimaeras. FAO Species Identification Guide for Fishery Purposes and American Society of Ichthyologists and Herpetologists Special Publication No. 5. 1600p. (Ref. 344)
Status på IUCN:s rödlista
(Ref. 130435: Version 2025-2 (Global))
CITES-status (Ref. 108899)
Not Evaluated
Not Evaluated
Hot mot människor
Mänskliga användningsområden
Fiskeri: kommersiellt viktig
FAO - Publication: search | FishSource |
Verktyg
Ytterligare information
Trofisk ekologiLivsmedelsartiklar (preys)
Födosammansättning
Födointag
Predatorer
MänniskorelateradFrimärken, mynt, diverse.
Internet-källor
Uppskattningar baserade på modeller
Resiliens (Ref. 69278): |
Hög, lägsta populationsfördubblingstid mindre än 15 månader (K=0.94-1.42; tmax=8) |
Sårbarhet i fisket (Ref. 71543) |
Low vulnerability (24 of 100). |
Priskategori (Ref. 80766): |
Unknown. |