البيئة: الوسط / المنطقة المناخية / نطاق العمق / نطاق التوزيع
البيئة
بحري القاع; نطاق العمق 1 - 300 m (Ref. 27000), usually 4 - 160 m (Ref. 95541). Subtropical; 47°N - 13°S, 27°W - 42°E
Eastern Atlantic and Mediterranean Sea. Records of Epinephelus alexandrinus from Madeira are apparently based on misidentifications of Myctoperca fusca.
الطول عند النضج الأول / الحجم / وزن / العمر
النضج: Lm 32.5, range 30 - 35 cm
Max length : 140 cm SL ذكر/ مختلط الجنس; (Ref. 12382)
الأشواك الظهرية (المجموع) : 11; الأشعة الظهرية الناعمة (المجموع) : 15 - 17; شوكة شرجية: 3; أشعه شرجية لينه: 8. Distinguished by the following characteristics: head and body brownish, fins darker; two dark lines on head, one from lower edge of the eye to the ventral rear edge of the interopercle, 2nd from the dark maxillary streak to the lower edge of the preopercle; adults brown or greyish brown; distinct yellow blotch on body below the spinous dorsal fin; body depth less than head length, depth contained 3.0-3.4 times in Sl; head length 2.5-2.7 times in SL; interorbital area convex; angular preopercle, 2-3 enlarged serrae at the angle; middle and lower opercular spines flat but distinct, upper spine not apparent; straight or slightly convex upper edge of operculum; maxilla usually reaching a vertical rear edge of eye, ventral edge of maxilla with low step, no scale on maxilla; 2 rows of teeth on midlateral part of lower jaw; lateral body scales ctenoid, with auxilliary scales in adults; pyloric caeca 17 (Ref. 89707).
Body shape (shape guide): fusiform / normal; Cross section: compressed.
Found on sand, mud or rock bottoms (Ref. 6789). Juveniles form small groups (Ref. 12382) in shallow water (Ref. 89707). Feeds on crustaceans, mollusks, and fish (Ref. 12382). Does not adapt well in aquariums (Ref. 12382). Maximum depth from Ref. 128827.
دورة الحياة وسلوك التزاوج
النضج | التكاثر | وضع البيض | بيض | الخصوبة | اليرقات
Heemstra, P.C. and J.E. Randall, 1993. FAO Species Catalogue. Vol. 16. Groupers of the world (family Serranidae, subfamily Epinephelinae). An annotated and illustrated catalogue of the grouper, rockcod, hind, coral grouper and lyretail species known to date. Rome: FAO. FAO Fish. Synop. 125(16):382 p. (Ref. 5222)
حالة القائمة الحمراء للاتحاد الدولي لحفظ الطبيعة والموارد الطبيعية (Ref. 130435: Version 2025-2 (Global))
استخدامات بشرية
مصائد: غير مهمة تجارياً
أدوات
تقارير خاصة
تنزيل XML
مصادر علي الأنترنت
تقديرات تستند إلى النماذج
درجة الحرارة المفضلة (مرجع
123201): 13.4 - 27.5, mean 19 °C (based on 650 cells).
مؤشر التنوع الشُعبي الوراثي (مرجع
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00813 (0.00493 - 0.01341), b=3.02 (2.89 - 3.15), in cm total length, based on LWR estimates for this species & Genus-body shape (Ref.
93245).
مستوى غذائي (مرجع
69278): 3.9 ±0.61 se; based on food items.
Generation time: 9.2 ( na - na) years. Estimated as median ln(3)/K based on 2
growth studies.
المرونه (مرجع
120179): وسيط, الحد الزمني الأدني لتضاعف عدد أفراد المجتمع 1.4-4.4 سنة (tm=4).
ضعف الصيد (Ref.
59153): High to very high vulnerability (66 of 100).
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المغذيات (Ref.
124155): Calcium = 29.4 [12.3, 68.2] mg/100g; Iron = 0.754 [0.358, 1.747] mg/100g; Protein = 18.6 [16.9, 20.1] %; Omega3 = 0.283 [0.154, 0.524] g/100g; Selenium = 41.6 [19.3, 100.7] μg/100g; VitaminA = 17.3 [4.1, 73.8] μg/100g; Zinc = 0.665 [0.425, 1.080] mg/100g (wet weight);
