Environment: milieu / climate zone / نطاق العمق / distribution range
البيئة
بحري قاعية المعيشة; غير مهاجرة; نطاق العمق 271 - 600 m (Ref. 1371). Deep-water; 34°N - 24°N, 124°E - 139°E (Ref. 1371)
Western Pacific: southern Japan, the East China Sea, and northern Taiwan.
الحجم / وزن / العمر
النضج: Lm ? range ? - ? cm
Max length : 31.0 cm TL ذكر/ مختلط الجنس; (Ref. 1371)
الأشواك الظهرية (المجموع) : 2; شوكة شرجية: 0. Head large; the eyes moderately large; the snout moderately long and pointed, its anterolateral margin completely supported by bone. Head ridges strong, supraoccipital scute developed, several similar single-keeled scutes follow on the nape; the underside of the head naked, except for a small patch below the preopercle angle. Body scales covered with dagger-like spinules in 3 to 5 slightly divergent rows. Light organ small, fossa narrow, extending forward immediately before the anus. Overall brownish to swarthy, silvery ventrally; the fins dusky to blackish; the mouth and gill cavities blackish.
Body shape (shape guide): elongated; Cross section: circular.
Life cycle and mating behavior
النضج | التكاثر | وضع البيض | بيض | الخصوبة | Larvae
Cohen, D.M., T. Inada, T. Iwamoto and N. Scialabba, 1990. FAO species catalogue. Vol. 10. Gadiform fishes of the world (Order Gadiformes). An annotated and illustrated catalogue of cods, hakes, grenadiers and other gadiform fishes known to date. FAO Fish. Synop. 125(10). Rome: FAO. 442 p. (Ref. 1371)
IUCN Red List Status (Ref. 130435: Version 2025-1)
استخدامات بشرية
مصائد: غير مهمة تجارياً
أدوات
تقارير خاصة
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مصادر علي الأنترنت
Estimates based on models
Phylogenetic diversity index (مرجع
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00245 (0.00126 - 0.00477), b=3.19 (3.02 - 3.36), in cm total length, based on LWR estimates for this Genus-body shape (Ref.
93245).
مستوى غذائي (مرجع
69278): 3.5 ±0.5 se; based on size and trophs of closest relatives
المرونه (مرجع
120179): وسيط, الحد الزمني الأدني لتضاعف عدد أفراد المجتمع 1.4-4.4 سنة (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (21 of 100).
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