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Eupercaria/misc (Various families in series Eupercaria) >
Sparidae (Porgies)
Etymology: Diplodus: Greek, diploos = twice + Greek, odous = teeth (Ref. 45335).
More on author: Linnaeus.
البيئة: الوسط / المنطقة المناخية / نطاق العمق / نطاق التوزيع
البيئة
بحري; مياه مخلوطة قاعية التغذية و المعيشة; نطاق العمق 0 - 90 m (Ref. 4781). Subtropical; 49°N - 27°N, 19°W - 42°E
Eastern Atlantic: Canary islands, also found along the coast of Portugal northward to the Bay of Biscay, Mediterranean, Black Sea and Sea of Azov (Ref. 4781).
الطول عند النضج الأول / الحجم / وزن / العمر
النضج: Lm 11.6, range 8 - 19.6 cm
Max length : 28.0 cm TL ذكر/ مختلط الجنس; (Ref. 124816); common length : 13.0 cm TL ذكر/ مختلط الجنس; (Ref. 3397); أعلا وزن تم نشرة: 330.00 g (Ref. 115876); العمر: 17 سنين (Ref. 124518)
الأشواك الظهرية (المجموع) : 11; الأشعة الظهرية الناعمة (المجموع) : 11 - 13; شوكة شرجية: 3; أشعه شرجية لينه: 11 - 12.
Body shape (shape guide): fusiform / normal; Cross section: compressed.
Inhabit chiefly Zostera seagrass beds but also found on Posidonia beds and sandy bottoms, rarely on rocky bottoms. Carnivorous, feed on worms, crustaceans, mollusks, echinoderms and hydrozoans. The sexes are separated, although these fish are potential hermaphrodites; certain individuals are protandric (Ref. 4781).
Normally sexes are separate but some individuals are protandrous due to geographical variation in sexual pattern (Ref. 103751). However, histological studies confirm no degenerating functional tissue of one sex (e.g. vitellogenic or later-stage follicles) and no proliferation of tissue of the other sex can be found on this species indicating the absence of sex change. This particular condition is also known as nonfunctional hermaphroditism previously known as rudimentary hermaphroditism (Ref. 91314). Also Ref. 28504.
Bauchot, M.-L. and J.-C. Hureau, 1990. Sparidae. p. 790-812. In J.C. Quero, J.C. Hureau, C. Karrer, A. Post and L. Saldanha (eds.) Check-list of the fishes of the eastern tropical Atlantic (CLOFETA). JNICT, Lisbon; SEI, Paris; and UNESCO, Paris. Vol. 2. (Ref. 3688)
حالة القائمة الحمراء للاتحاد الدولي لحفظ الطبيعة والموارد الطبيعية (Ref. 130435: Version 2025-2 (Global))
استخدامات بشرية
مصائد: تجاري; لعبة سمكه: نعم
أدوات
تقارير خاصة
تنزيل XML
مصادر علي الأنترنت
تقديرات تستند إلى النماذج
مؤشر التنوع الشُعبي الوراثي (مرجع 82804) |
PD50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high]. |
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Bayesian length-weight
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a=0.01230 (0.01117 - 0.01355), b=3.06 (3.04 - 3.08), in cm total length, based on LWR estimates for this species (Ref. 93245). |
مستوى غذائي (مرجع 69278) |
3.6 ±0.0 se; based on diet studies. |
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Generation time |
4.5 (2.4 - 6.4) years. Estimated as median ln(3)/K based on 18 growth studies. |
المرونه (مرجع 120179) |
وسيط, الحد الزمني الأدني لتضاعف عدد أفراد المجتمع 1.4-4.4 سنة (K=0.2-0.5; tmax=7; Fecundity=18,000 - 212,000). |
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Rate of population increase |
Prior r = 0.54, 95% CL = 0.35 - 0.80, Based on 3 full stock assessments. |
ضعف الصيد (Ref. 59153) |
Moderate vulnerability (36 of 100). 🛈 |
قابلية التأثر بالمناخ (Ref. 125649) |
Moderate vulnerability (36 of 100). 🛈 |
فئة السعر (Ref. 80766) |
Low.
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المغذيات (Ref. 124155) |
Calcium = 83.2 [48.2, 160.3] mg/100g; Iron = 0.984 [0.561, 1.738] mg/100g; Protein = 19.3 [18.4, 20.3] %; Omega3 = 0.427 [0.224, 0.818] g/100g; Selenium = 23.7 [11.6, 43.4] μg/100g; VitaminA = 20.1 [6.8, 55.9] μg/100g; Zinc = 1.06 [0.72, 1.48] mg/100g (wet weight); |