Issue
Genus in Ref. 9875.
Environment: milieu / climate zone / depth range / distribution range
البيئة
بحري مياه عميقة; نطاق العمق 200 - 1497 m (Ref. 27311), usually 200 - 400 m (Ref. 33679). Deep-water; 39°N - 21°S
Widely distributed in tropical and subtropical seas. Eastern Atlantic: south of Portugal to Madeira. Western Atlantic: Gulf of Mexico (Ref. 27768). Northwest Atlantic: Canada (Ref. 5951). Northwest Pacific: Japan (Ref. 559). Southwest Pacific: New Zealand (Ref. 5755). Eastern Pacific: California Current region (Ref. 35604).
الحجم / وزن / العمر
Maturity: Lm ? range ? - ? cm
Max length : 17.5 cm SL ذكر/ مختلط الجنس; (Ref. 4459)
الأشواك الظهرية (المجموع) : 0; الأشعة الظهرية الناعمة (المجموع) : 9 - 11; شوكة شرجية: 0; أشعه شرجية لينه: 18 - 21; فقرات: 48 - 53. Head and body silver when fresh; no scale pocket markings; lateral line indistinct (Ref. 13608). Slender body. Jaws rounded and subequal at the tips (Ref. 37473). Body strongly elongated with almost equal depth. Caudal peduncle short and relatively narrow. Pectorals short, far from reaching origin of dorsal fin. Radial pattern noticeable at the hind lower part of operculum. Few gill rakers on the inner surface of epibranchial of first gill arch (Ref. 33679).
Mesopelagic (Ref. 58302). Usually caught in small aggregations (Ref. 6345). Exhibits daily vertical migrations (Ref. 6345). Feeds on plankton (Ref. 6345).
Life cycle and mating behavior
النضج | التكاثر | وضع البيض | بيض | الخصوبة | Larvae
Cohen, D.M., 1990. Bathylagidae. p. 239-240. In J.C. Quero, J.C. Hureau, C. Karrer, A. Post and L. Saldanha (eds.) Check-list of the fishes of the eastern tropical Atlantic (CLOFETA). JNICT, Lisbon; SEI, Paris; and UNESCO, Paris. Vol. 1. (Ref. 4459)
IUCN Red List Status (Ref. 130435: Version 2024-2)
استخدامات بشرية
مصائد: غير ذات اهمية
أدوات
تقارير خاصة
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مصادر علي الأنترنت
Estimates based on models
Preferred temperature (Ref.
123201): 8.8 - 19, mean 13 °C (based on 406 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 1.0000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00525 (0.00219 - 0.01260), b=3.01 (2.80 - 3.22), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
مستوى غذائي (Ref.
69278): 3.4 ±0.45 se; based on food items.
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 (11 of 100).
