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Scombriformes (Mackerels) >
Gempylidae (Snake mackerels)
Eponymy: In Greek mythology, Prometheus stole fire from heaven to give to mankind: for which he was bound to a rock where an eagle was sent to feed upon his liver (which then grew back, to be devoured anew the next day). [...] (Ref. 128868), visit book page.
More on author: Cuvier.
البيئة: الوسط / المنطقة المناخية / نطاق العمق / نطاق التوزيع
البيئة
بحري قاعية التغذية و المعيشة; محيطية (Ref. 51243); نطاق العمق 80 - 800 m (Ref. 2683), usually 300 - 400 m (Ref. 5217). Subtropical; 50°N - 36°S, 180°W - 180°E
Tropical and warm temperate waters of all oceans, but absent from eastern Pacific except at Sala y Gomez Ridge.
الطول عند النضج الأول / الحجم / وزن / العمر
النضج: Lm 47.4  range ? - ? cm
Max length : 100.0 cm SL ذكر/ مختلط الجنس; (Ref. 6181); common length : 40.0 cm SL ذكر/ مختلط الجنس; (Ref. 3403); العمر: 11 سنين (Ref. 32115)
الأشواك الظهرية (المجموع) : 18 - 20; الأشعة الظهرية الناعمة (المجموع) : 17 - 20; شوكة شرجية: 2 - 3; أشعه شرجية لينه: 15 - 17. Body moderately elongate. Mouth with fang-like teeth. Spinescent gill rakers on the first arch with 1 - 3 cusps and many small spines; the angular raker long and triple-rooted. Body entirely scaled at over 20 - 25 cm SL. Pyloric caeca 7 or 8. Color is grayish to copper brown; fins blackish at over 40 cm SL, yellowish with black tips in smaller specimens (the first dorsal fin with a black blotch on two anteriormost membranes); the buccal and branchial cavities are black. Pelvic fin reduced to one spine that becomes entirely absent in specimens more than 40 cm SL.
Body shape (shape guide): elongated; Cross section: compressed.
Found at continental slopes, around oceanic islands and submarine rises (Ref. 6181). Meso-benthopelagic (Ref. 58302). Migrate to midwater at night (Ref. 6181). Feed on fish, cephalopods and crustaceans (Ref. 6181). Eggs and larvae are pelagic (Ref. 6766).
Probably spawns throughout the year in warmer seas.
Nakamura, I. and N.V. Parin, 1993. FAO Species Catalogue. Vol. 15. Snake mackerels and cutlassfishes of the world (families Gempylidae and Trichiuridae). An annotated and illustrated catalogue of the snake mackerels, snoeks, escolars, gemfishes, sackfishes, domine, oilfish, cutlassfishes,. scabbardfishes, hairtails, and frostfishes known to date. FAO Fish. Synop. 125(15):136 p. (Ref. 6181)
حالة القائمة الحمراء للاتحاد الدولي لحفظ الطبيعة والموارد الطبيعية (Ref. 130435: Version 2025-2 (Global))
خطر للأنسان
Reports of ciguatera poisoning (Ref. 31637)
استخدامات بشرية
مصائد: مصائد تستهلك محلينا; لعبة سمكه: نعم; طعم: usually
أدوات
تقارير خاصة
تنزيل XML
مصادر علي الأنترنت
تقديرات تستند إلى النماذج
مؤشر التنوع الشُعبي الوراثي (مرجع 82804) |
PD50 = 1.0000 [Uniqueness, from 0.5 = low to 2.0 = high]. |
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Bayesian length-weight
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a=0.00363 (0.00224 - 0.00588), b=3.06 (2.92 - 3.20), in cm total length, based on LWR estimates for this species & (Sub)family-body (Ref. 93245). |
مستوى غذائي (مرجع 69278) |
4.2 ±0.57 se; based on food items. |
المرونه (مرجع 120179) |
منخفض, الحد الزمني الأدني لتضاعف عدد أفراد المجتمع 4.5-14 سنة (K=0.17-0.18; tm=4; tmax=11;). |
ضعف الصيد (Ref. 59153) |
High vulnerability (58 of 100). 🛈 |
قابلية التأثر بالمناخ (Ref. 125649) |
Moderate vulnerability (39 of 100). 🛈 |
فئة السعر (Ref. 80766) |
Unknown.
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المغذيات (Ref. 124155) |
Calcium = 32.6 [15.0, 65.6] mg/100g; Iron = 0.62 [0.29, 1.21] mg/100g; Protein = 17.7 [15.6, 19.7] %; Omega3 = 0.255 [0.146, 0.444] g/100g; Selenium = 60.5 [27.5, 122.0] μg/100g; VitaminA = 12.2 [3.6, 42.3] μg/100g; Zinc = 0.55 [0.38, 0.82] mg/100g (wet weight); |