البيئة / مناخ / المدى
البيئة
; بحري قاعية التغذية و المعيشة; محيطية (Ref. 51243); نطاق العمق 80 - 800 m (Ref. 2683), usually 300 - 400 m (Ref. 5217). Subtropical, preferred 26°C (Ref. 107945); 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.
Length at first maturity / الحجم / وزن / العمر
Maturity: 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)
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.
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)
IUCN Red List Status (Ref. 115185)
CITES (Ref. 94142)
Not Evaluated
خطر للأنسان
Reports of ciguatera poisoning (Ref. 31637)
استخدامات بشرية
مصائد: مصائد تستهلك محلينا; لعبة سمكه: نعم; طعم: usually
أدوات
تقارير خاصة
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مصادر علي الأنترنت
Estimates of some properties based on models
Phylogenetic diversity index (Ref.
82805): PD
50 = 1.0000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00363 (0.00227 - 0.00581), b=3.05 (2.91 - 3.19), in cm Total Length, based on LWR estimates for this species & (Sub)family-body (Ref.
93245).
مستوى غذائي (Ref.
69278): 4.2 ±0.57 se; Based on food items.
المرونه (Ref.
69278): وسيط, الحد الزمني الأدني لتضاعف عدد أفراد المجتمع 1.4-4.4 سنة (K=0.17-0.18; tm=4).
عرضة للخطر (Ref.
59153): High vulnerability (57 of 100) .
