Environment: milieu / climate zone / نطاق العمق / distribution range
البيئة
بحري; مياه مخلوطة القاع; محيطية (Ref. 51243); نطاق العمق 1 - 100 m (Ref. 9830). Tropical
Indo-West Pacific: East Africa to the Philippines and Japan, south to New Guinea, the Arafura Sea (Ref. 9819), Australia, New Caledonia and Fiji.
Length at first maturity / الحجم / وزن / العمر
النضج: Lm 93.2 range ? - ? cm
Max length : 200 cm TL ذكر/ مختلط الجنس; (Ref. 559); common length : 150 cm TL ذكر/ مختلط الجنس; (Ref. 2871); أعلا وزن تم نشرة: 7.1 kg (Ref. 40637)
الأشواك الظهرية (المجموع) : 0; شوكة شرجية: 0; فقرات: 128 - 141. Body robust and eel-shaped; snout long; eye diameter 3 times in snout length (Ref. 4832). Head narrower, interorbital width about 10 times in head; lateral-line pores before anus 33-39; dorsal-fin rays before anus 47-49 (Ref. 9830). Posterior nostrils only slightly nearer to eye than to anterior nostrils; mouth very large; teeth generally large and conspicuous (Ref. 4832).
Body shape (shape guide): eel-like.
Found in coastal waters, including estuaries; sublittoral above 100 m (Ref. 11230). Feeds on benthic fishes and crustaceans (Ref. 9830). Nocturnal. Known to attack fishers or anglers after being captured (Ref. 6590). Also caught by drift net and bag (dol) nets. Marketed mainly fresh. Minimum depth reported taken from Ref. 86942.
van der Elst, R., 1981. A guide to the common sea fishes of southern Africa. C. Struik, Cape Town. 367 p. (Ref. 3670)
IUCN Red List Status (Ref. 130435: Version 2025-1)
استخدامات بشرية
مصائد: تجاري; لعبة سمكه: نعم
أدوات
تقارير خاصة
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مصادر علي الأنترنت
Estimates based on models
Preferred temperature (مرجع
123201): 21.7 - 29.1, mean 28 °C (based on 2108 cells).
Phylogenetic diversity index (مرجع
82804): PD
50 = 0.6250 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00204 (0.00124 - 0.00337), b=2.92 (2.77 - 3.07), in cm total length, based on LWR estimates for this species & (Sub)family-body (Ref.
93245).
مستوى غذائي (مرجع
69278): 4.0 ±0.67 se; based on food items.
Generation time: 6.1 ( na - na) years. Estimated as median ln(3)/K based on 1
growth studies.
المرونه (مرجع
120179): عالي, الحد الزمني الأدني لتضاعف عدد أفراد المجتمع أقل من 15 شهر (Fec=17,475).
Prior r = 0.76, 95% CL = 0.50 - 1.14, Based on 1 full stock assessment.
Fishing Vulnerability (Ref.
59153): High vulnerability (62 of 100).
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