Environment: milieu / climate zone / depth range / distribution range
البيئة
بحري قاعية التغذية و المعيشة; محيطية (Ref. 51243); نطاق العمق 10 - 476 m (Ref. 39327), usually 10 - 100 m (Ref. 2700). Subtropical
Circumglobal: tropical to temperate seas.
الحجم / وزن / العمر
Maturity: Lm ? range ? - ? cm
Max length : 61.0 cm TL ذكر/ مختلط الجنس; (Ref. 2850); أعلا وزن تم نشرة: 3.2 kg (Ref. 40637)
الأشواك الظهرية (المجموع) : 0; الأشعة الظهرية الناعمة (المجموع) : 13 - 16; شوكة شرجية: 0; أشعه شرجية لينه: 11 - 13. Adults dark green, brownish grey, or blue above, white below; juveniles with about 9 bars on back, from eye to dorsal fin; dark spots on front and middle of belly and on side near pectoral base in specimens less than 33 cm (Ref. 4919).
Primarily an oceanic (Ref. 2850, 2683), pelagic species but may enter estuaries (Ref. 4919). Feeds on crustaceans and squids (Ref. 10001). Suspected responsible for fatal poisoning (Ref. 4919). Should not be eaten (Ref. 36731).
Life cycle and mating behavior
Maturities | التكاثر | Spawnings | Egg(s) | Fecundities | Larvae
Schneider, W., 1990. FAO species identification sheets for fishery purposes. Field guide to the commercial marine resources of the Gulf of Guinea. Prepared and published with the support of the FAO Regional Office for Africa. Rome: FAO. 268 p. (Ref. 2683)
IUCN Red List Status (Ref. 130435)
استخدامات بشرية
مصائد: تجاري; لعبة سمكه: نعم
أدوات
تقارير خاصة
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مصادر علي الأنترنت
Estimates based on models
Preferred temperature (Ref.
123201): 14 - 28.9, mean 26.1 °C (based on 5858 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5005 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01122 (0.00616 - 0.02045), b=2.91 (2.76 - 3.06), in cm total length, based on LWR estimates for this species & (Sub)family-body (Ref.
93245).
مستوى غذائي (Ref.
69278): 3.7 ±0.40 se; based on food items.
المرونه (Ref.
120179): وسيط, الحد الزمني الأدني لتضاعف عدد أفراد المجتمع 1.4-4.4 سنة (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Moderate vulnerability (44 of 100).
Nutrients (Ref.
124155): Calcium = 41 [14, 94] mg/100g; Iron = 0.904 [0.498, 2.058] mg/100g; Protein = 18 [16, 20] %; Omega3 = 0.406 [0.186, 0.815] g/100g; Selenium = 44.2 [23.0, 98.9] μg/100g; VitaminA = 22 [8, 61] μg/100g; Zinc = 0.628 [0.430, 0.889] mg/100g (wet weight);
