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Argentiniformes (Marine smelts) >
Bathylagidae (Deep-sea smelts)
Etymology: Bathylagus: Greek, bathys = deep + Greek, lagos = hare (Ref. 45335); pacificus: Named after the Pacific Ocean (Ref. 6885).
More on author: Gilbert.
البيئة: الوسط / المنطقة المناخية / نطاق العمق / نطاق التوزيع
البيئة
بحري مياه عميقة; نطاق العمق 600 - 7700 m (Ref. 50610), usually 600 - 800 m (Ref. 28981). Deep-water; 61°N - 27°N, 140°E - 114°W
Pacific: off the Pacific coast of northern Japan and the Bering Sea to the Gulf of Alaska southward to northern Baja California, Mexico.
الحجم / وزن / العمر
النضج: Lm ?  range ? - ? cm
Max length : 25.0 cm SL ذكر/ مختلط الجنس; (Ref. 4525)
الأشواك الظهرية (المجموع) : 0; الأشعة الظهرية الناعمة (المجموع) : 8 - 13; شوكة شرجية: 0; أشعه شرجية لينه: 15 - 25; فقرات: 44 - 51. Body slender and compressed. Anal fin base long and about twice the length of dorsal fin base. Eye diameter about twice snout length. Upper end of gill slit reaching above midline of side of body. No knob-like process in interorbital space. Dorsoposterior edge of operculum not curved inward. Traces of detached scales black. Color black or dark brown; bluish black on head and ventral surfaces, and on peritoneum (Ref. 6885).
Body shape (shape guide): fusiform / normal; Cross section: compressed.
Does not undertake a diurnal, vertical migration. Feeds heavily on crustaceans (Ref. 4525). Oviparous, with planktonic eggs and larvae (Ref. 35604). Minimum cdepth from Ref. 028981.
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)
حالة القائمة الحمراء للاتحاد الدولي لحفظ الطبيعة والموارد الطبيعية (Ref. 130435: Version 2025-2 (Global))
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مؤشر التنوع الشُعبي الوراثي (مرجع 82804) |
PD50 = 0.5078 [Uniqueness, from 0.5 = low to 2.0 = high]. |
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Bayesian length-weight
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a=0.00776 (0.00464 - 0.01298), b=3.07 (2.92 - 3.22), in cm total length, based on LWR estimates for this species & (Sub)family-body (Ref. 93245). |
مستوى غذائي (مرجع 69278) |
3.3 ±0.42 se; based on food items. |
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Generation time |
7.8 ( na - na) years. Estimated as median ln(3)/K based on 1 growth studies. |
المرونه (مرجع 120179) |
منخفض, الحد الزمني الأدني لتضاعف عدد أفراد المجتمع 4.5-14 سنة (K=0.14 (very tentative estimate)). |
ضعف الصيد (Ref. 59153) |
Moderate to high vulnerability (52 of 100). 🛈 |
المغذيات (Ref. 124155) |
Calcium = 29.9 [10.3, 96.3] mg/100g; Iron = 0.365 [0.142, 1.282] mg/100g; Protein = 13.7 [10.4, 17.9] %; Omega3 = 0.395 [0.118, 1.350] g/100g; Selenium = 21 [7, 55] μg/100g; VitaminA = 38 [5, 303] μg/100g; Zinc = 0.672 [0.358, 1.397] mg/100g (wet weight); |