Issue
This species has been synonymized with Trichiurus lepturus Linnaeus, 1758 for a long period.
Environment: milieu / climate zone / نطاق العمق / distribution range
البيئة
بحري قاعية التغذية و المعيشة; نطاق العمق 250 - 350 m (Ref. 6181). Deep-water; 31°N - 14°S, 32°E - 139°E (Ref. 6181)
Western Indian Ocean: Red Sea and west coast of India. Eastern Indian Ocean: Timor Sea.
الحجم / وزن / العمر
النضج: Lm ? range ? - ? cm
Max length : 42.4 cm TL ذكر/ مختلط الجنس; (Ref. 6181); common length : 23.0 cm TL ذكر/ مختلط الجنس; (Ref. 6181)
الأشواك الظهرية (المجموع) : 3; الأشعة الظهرية الناعمة (المجموع) : 106 - 116; أشعه شرجية لينه: 80. Body extremely elongate, compressed and tapering to a point. Mouth very large with a small dermal process at the tip of each jaw. Pelvic and caudal fins absent. Lateral line originating at the upper margin of the gill cover, running obliquely to behind the tip of the pectoral fins, then parallel to the ventral contour of the body. Fresh specimens are pearl white and slightly dusky dorsally; the margins of the dorsal and anal fins dusky in formalin.
Body shape (shape guide): elongated; Cross section: compressed.
Found in deep waters off Kerala and Tamil Nadu, India. Feeds on deep water shrimps and small fishes like myctophids and gonostomatids. Caught with deep water trawls mixed together with other commercially important fish as bycatch.
Life cycle and mating behavior
النضج | التكاثر | وضع البيض | بيض | الخصوبة | Larvae
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. 130435: Version 2025-1)
استخدامات بشرية
مصائد: غير ذات اهمية
أدوات
تقارير خاصة
Download XML
مصادر علي الأنترنت
Estimates based on models
Preferred temperature (مرجع
123201): 11 - 21.8, mean 12.2 °C (based on 49 cells).
Phylogenetic diversity index (مرجع
82804): PD
50 = 0.5010 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00191 (0.00078 - 0.00466), b=3.12 (2.91 - 3.33), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
مستوى غذائي (مرجع
69278): 4.2 ±0.73 se; based on food items.
المرونه (مرجع
120179): منخفض, الحد الزمني الأدني لتضاعف عدد أفراد المجتمع 4.5-14 سنة (Assuming tmax>10).
Fishing Vulnerability (Ref.
59153): Low to moderate vulnerability (32 of 100).
🛈
Nutrients (Ref.
124155): Calcium = 167 [42, 435] mg/100g; Iron = 0.939 [0.262, 3.001] mg/100g; Protein = 17.7 [15.9, 19.6] %; Omega3 = 0.285 [0.122, 0.695] g/100g; Selenium = 57.5 [16.1, 220.8] μg/100g; VitaminA = 5.47 [0.58, 46.73] μg/100g; Zinc = 0.834 [0.382, 1.501] mg/100g (wet weight);
