Gastropoda |
Ostreida |
Margaritidae
Environment: milieu / climate zone / تغييرات عمق / distribution range
بوم شناسي
; تغييرات عمق 0 - 30 m (مرجع 104365). Tropical; 34°N - 37°S, 98°W - 29°W
Western Atlantic: From South Carolina to Uruguay.
Length at first maturity / Size / Weight / سن
بلوغ: Lm ? range ? - ? cm Max length : 8.8 cm SHL جنس نر / بدون خواص جنسي; (مرجع 85431); common length : 7.6 cm SHL جنس نر / بدون خواص جنسي; (مرجع 344); بيشينه سن گزارش شده: 8 سال ها (مرجع 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).
Life cycle and mating behavior
بلوغ | تولید مثل | تخم ریزی | 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.
مآخذ اصلی
مراجع | هماهنگ كننده | همكاران
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. (مرجع 344)
وضعيت در فهرست قرمز IUCN
(مرجع 130435: Version 2025-1)
وضعيت از نظر سايتس (مرجع 108899)
Not Evaluated
Not Evaluated
خطر برای انسان ها
استفاده انسانی
ماهي گيري – شيلات: با ارزش تجاري بالا
| FishSource |
ابزارها
اطلاعات بيشتر
Trophic EcologyFood items (preys)
تركيب غذايي
مصرف غذايي
شکارچیان
PhysiologyOxygen consumption
Human RelatedStamps, coins, misc.
منابع اينترنتي
Estimates based on models
Preferred temperature
(Ref.
115969): 20.5 - 29.1, mean 27.5 (based on 3386 cells).
جهندگی
زياد, كمينه زمان لازم براي دو برابر شدن جمعيت ، كمتر از 15 ماه (K=0.94-1.42; tmax=8).
Fishing Vulnerability
Low vulnerability (24 of 100).
طبقه قيمت
Unknown.
