Malacostraca |
Decapoda |
Portunidae
Environment: milieu / climate zone / تغييرات عمق / distribution range
بوم شناسي
; آب شيرين; لب شور. Tropical
Eastern Atlantic: Cape Verde Islands and Mauritania to Angola.
Length at first maturity / Size / Weight / سن
بلوغ: Lm 6.8, range 5 - ? cm Max length : 12.2 cm CW جنس نر / بدون خواص جنسي; (مرجع 127254)
Maximum carapace width: 12.5 cm. Estuarine species inhabiting fresh, brackish and salt water (Ref. 435).
Life cycle and mating behavior
بلوغ | تولید مثل | تخم ریزی | Eggs | Fecundity | Larvae
Members of the order Decapoda are mostly gonochoric. Mating behavior: Precopulatory courtship ritual is common (through olfactory and tactile cues); usually indirect sperm transfer.
مآخذ اصلی
مراجع | هماهنگ كننده | همكاران
Fischer, W., G. Bianchi and W.B. Scott (eds.) 1981 True Crabs. 6: pag.var. In FAO species identification sheets for fishery purposes. Eastern Central Atlantic (fishing areas 34, 47; in part). Canada Funds-in-Trust. Ottawa, Department of Fisheries and Oceans Canada, by arrangement with the Food and AgriculturesOrganization of the United Nations, 1-7: pag.var. (مرجع 435)
وضعيت در فهرست قرمز IUCN
(مرجع 130435: Version 2025-1)
وضعيت از نظر سايتس (مرجع 108899)
Not Evaluated
Not Evaluated
خطر برای انسان ها
Harmless
استفاده انسانی
ماهي گيري – شيلات: تجاري
| FishSource |
ابزارها
اطلاعات بيشتر
Trophic EcologyFood items (preys)
تركيب غذايي
مصرف غذايي
شکارچیان
PhysiologyOxygen consumption
منابع اينترنتي
Estimates based on models
جهندگی
متوسط, كمينه زمان لازم براي دو برابر شدن جمعيت 4/1 – 4/4 سال (K=0.3).
Fishing Vulnerability
Low to moderate vulnerability (27 of 100).