البيئة: الوسط / المنطقة المناخية / نطاق العمق / نطاق التوزيع
البيئة
بحري; المياه العذبة; مياه مخلوطة القاع; pH range: 7.5 - 8.2; أسماك نازلة (Ref. 138126); نطاق العمق 1 - 100 m (Ref. 35388). Temperate; 5°C - 25°C (Ref. 13614); 72°N - 30°N, 32°W - 45°E (Ref. 54704)
Eastern Atlantic: coastal and brackish waters of western Europe and from the White Sea to the Mediterranean and the Black Sea (Ref. 4705, Ref. 51442). Introduced into the USA and Canada accidentally through transport in ballast water (Ref. 1739). Asia: Iran (Ref. 39702).
الطول عند النضج الأول / الحجم / وزن / العمر
النضج: Lm 22.4, range 14 - 30 cm
Max length : 60.0 cm TL ذكر/ مختلط الجنس; (Ref. 35388); common length : 50.0 cm TL ذكر/ مختلط الجنس; (Ref. 30578); أعلا وزن تم نشرة: 2.9 kg (Ref. 104349); العمر: 15 سنين (Ref. 3944)
الأشواك الظهرية (المجموع) : 0; الأشعة الظهرية الناعمة (المجموع) : 53 - 62; شوكة شرجية: 0; أشعه شرجية لينه: 37 - 46. Flatfish, its disc width less than half its length (Ref. 3137). Small mouth (Ref. 3137, Ref. 51442). Eyes mostly (70%) on right side (Ref. 3137, 51442), 79% of dextrally oriented flounder (n = 1076) in Bos, 2000 (Ref. 57574). Rough skin, especially along the lateral line and the basis of the dorsal and anal fin (Ref. 3137). Lateral line straight, slightly rounded over pectorals (Ref. 3137). Green-olive colored (Ref. 51442), the bottom side white (Ref. 3137). Irregular reddish spots on the eye side (Ref. 35388).
Body shape (shape guide): short and / or deep; Cross section: compressed.
Migratory fish, which is most of the year found in estuaries (Ref. 51442). Adults occur on mud and sand bottom in shallow water, at sea and brackish; often entering freshwaters (Ref. 59043). During winter, adults retreat to deeper, warmer waters, where they spawn in spring (Ref. 30193). The growing larvae are moving to the coast (Ref. 51442). Larvae and early juveniles use selective tidal transport to migrate upstream rivers (Ref. 57575) using a range of triggers such as salinity, prey density and water temperature (Ref. 57573, 57574). Juveniles live in shallow coastal waters and estuaries (Ref. 57574), which are also the summer feeding grounds for the adults (Ref. 30193). Juveniles of less than a year old feed on plankton and larvae of insects, juveniles of more than a year and adults feed on benthic fauna (Ref. 51442), including small fishes and invertebrates (Ref. 30193). Nocturnal and burrowing (Ref. 30193). Marketed fresh and frozen; can be steamed, fried, boiled, microwaved and baked (Ref. 9988). Worms and mollusks are excellent baits for line fishing (Ref. 30578).
Spawns in the water column (Ref. 7471). Produces 400,000 to 2,000,000 eggs for each female (Ref. 51442).
Vinnikov, K.A., R.C. Thomson and T.A. Munroe, 2018. Revised classification of the righteye flounders (Teleostei: Pleuronectidae) based on multilocus phylogeny with complete taxon sampling. Molecular phylogenetics and evolution, 125:147-162. (Ref. 122998)
حالة القائمة الحمراء للاتحاد الدولي لحفظ الطبيعة والموارد الطبيعية (Ref. 130435: Version 2025-2 (Global))
استخدامات بشرية
مصائد: تجاري; الأستزراع المائي: التجريبي; لعبة سمكه: نعم
أدوات
تقارير خاصة
تنزيل XML
مصادر علي الأنترنت
تقديرات تستند إلى النماذج
مؤشر التنوع الشُعبي الوراثي (مرجع 82804) |
PD50 = 0.5625 [Uniqueness, from 0.5 = low to 2.0 = high]. |
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Bayesian length-weight
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a=0.00759 (0.00672 - 0.00857), b=3.07 (3.03 - 3.11), in cm total length, based on LWR estimates for this species (Ref. 93245). |
مستوى غذائي (مرجع 69278) |
3.3 ±0.2 se; based on diet studies. |
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Generation time |
4.4 (3.1 - 5.5) years. Estimated as median ln(3)/K based on 13 growth studies. |
المرونه (مرجع 120179) |
منخفض, الحد الزمني الأدني لتضاعف عدد أفراد المجتمع 4.5-14 سنة (K=0.22-0.3; tm=2-5; tmax=15; Fec= 2 million). |
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Rate of population increase |
Prior r = 0.56, 95% CL = 0.37 - 0.83, Based on 5 full stock assessments. |
ضعف الصيد (Ref. 59153) |
Moderate to high vulnerability (49 of 100). 🛈 |
قابلية التأثر بالمناخ (Ref. 125649) |
Moderate vulnerability (36 of 100). 🛈 |
فئة السعر (Ref. 80766) |
Very high.
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المغذيات (Ref. 124155) |
Calcium = 33.1 [14.0, 58.0] mg/100g; Iron = 0.26 [0.13, 0.49] mg/100g; Protein = 17.8 [15.6, 19.8] %; Omega3 = 0.322 [0.161, 0.627] g/100g; Selenium = 14.7 [7.4, 32.3] μg/100g; VitaminA = 6.9 [1.9, 26.1] μg/100g; Zinc = 0.509 [0.347, 0.750] mg/100g (wet weight); based on nutrient studies. |