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Alepocephaliformes (Slickheads and tubeshoulders.) >
Alepocephalidae (Slickheads)
Eponymy: Shozaburo Watasé (1862–1929) was a biologist who became (1901) Professor of Zoology at the Imperial University of Tokyo, his alma mater. [...] (Ref. 128868), visit book page.
More on author: Tanaka.
Environment: milieu / climate zone / depth range / distribution range
البيئة
بحري مياه عميقة; نطاق العمق 500 - 1300 m (Ref. 559). Deep-water
Western Pacific: Sagami Bay in Japan, East China Sea and the Philippines.
الحجم / وزن / العمر
Maturity: Lm ? range ? - ? cm
Max length : 22.0 cm SL ذكر/ مختلط الجنس; (Ref. 559)
وصف مختصر
مفاتيح التعريف | الوصف الخارجي | قياسات المظهر الخارجي
الأشواك الظهرية (المجموع) : 0; الأشعة الظهرية الناعمة (المجموع) : 18 - 21; شوكة شرجية: 0; أشعه شرجية لينه: 17 - 19. Head and body compressed. Eye large, circular. Snout strongly curved, nearly vertical at the tip. Gill rakers well-developed. Scales absent from the body except fro modified ring-like lateral line scales.
Life cycle and mating behavior
النضج | التكاثر | وضع البيض | بيض | الخصوبة | Larvae
Masuda, H., K. Amaoka, C. Araga, T. Uyeno and T. Yoshino, 1984. The fishes of the Japanese Archipelago. Vol. 1. Tokai University Press, Tokyo, Japan. 437 p. (text). (Ref. 559)
IUCN Red List Status (Ref. 130435: Version 2024-2)
استخدامات بشرية
أدوات
تقارير خاصة
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مصادر علي الأنترنت
Estimates based on models
Preferred temperature (Ref.
123201): 4.8 - 8.4, mean 6.4 °C (based on 292 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5010 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00347 (0.00163 - 0.00737), b=3.19 (3.00 - 3.38), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
مستوى غذائي (Ref.
69278): 3.4 ±0.5 se; based on size and trophs of closest relatives
المرونه (Ref.
120179): وسيط, الحد الزمني الأدني لتضاعف عدد أفراد المجتمع 1.4-4.4 سنة (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (17 of 100).
