Environment: milieu / climate zone / depth range / distribution range
البيئة
بحري قاعية المعيشة; غير مهاجرة; نطاق العمق 300 - 1000 m (Ref. 1371). Deep-water; 36°N - 20°N, 125°E - 140°E (Ref. 1371)
Northwest Pacific: southern Japan (Ref. 1371) and Taiwan (Ref. 54421). Possibly much wider in distribution.
الحجم / وزن / العمر
Maturity: Lm ?  range ? - ? cm
Max length : 75.0 cm TL ذكر/ مختلط الجنس; (Ref. 1371)
الأشواك الظهرية (المجموع) : 2; شوكة شرجية: 0. Eyes very large; snout long, sharply pointed, its anterolateral margin completely supported by bone; head ridges prominently demarcated by stout, spiny scales; underside of head scaled. Light organ short. Overall color is grayish to brownish, without prominent markings; mouth cavity gray; gill cavities and distal third of the first dorsal fin blackish.
Larger individuals are found in deeper waters. Feeds on euphausiids, prawns, benthic fishes, isopods, and polychaetes.
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 2024-2)
استخدامات بشرية
مصائد: غير مهمة تجارياً
أدوات
تقارير خاصة
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مصادر علي الأنترنت
Estimates based on models
Preferred temperature (Ref.
123201): 7.2 - 13.7, mean 10.3 °C (based on 19 cells).
Phylogenetic diversity index (Ref.
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 (Ref.
69278): 3.5 ±0.52 se; based on food items.
المرونه (Ref.
120179): منخفظ جدا, الحد الزمني الأدني لتضاعف عدد أفراد المجتمع أكثر من 14 سنة (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Moderate to high vulnerability (50 of 100).