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Argentiniformes (Marine smelts) >
Bathylagidae (Deep-sea smelts)
Etymology: Bathylagoides: Greek, bathys = deep + Greek, lagoides = similar to a hare (Ref. 45335).
Environment: milieu / climate zone / depth range / distribution range
البيئة
بحري مياه عميقة; نطاق العمق 100 - 1500 m (Ref. 33698), usually 200 - 300 m (Ref. 33679). Deep-water; 22°N - 33°S
Pacific and Indian. Eastern Pacific: California Current region (Ref. 35604).
الحجم / وزن / العمر
Maturity: Lm ? range ? - ? cm
Max length : 10.5 cm SL ذكر/ مختلط الجنس; (Ref. 96339)
الأشواك الظهرية (المجموع) : 0; الأشعة الظهرية الناعمة (المجموع) : 10 - 14; شوكة شرجية: 0; أشعه شرجية لينه: 14 - 18; فقرات: 41 - 46. Deep body, relatively slender toward the end of caudal peduncle; maximum body depth slightly anterior to origin of dorsal fin in specimens 6 - 10.45 cm SL and at the level of the pectoral fin base in smaller specimens. Pectoral fins short, far from reaching origin of dorsal fin. Radial grooves present in the hind part of operculum. Few gill rakers at the inner surface of epibranchial of the first gill arch (Ref. 33679). Branchiostegal rays: 2.
Undergoes daily vertical migrations, rising into the epipelagic zone during the night. Feeds mainly on zooplankton (Ref. 9875, 33698). Oviparous, with planktonic eggs and larvae (Ref. 35604).
Life cycle and mating behavior
النضج | التكاثر | وضع البيض | بيض | الخصوبة | Larvae
Gorelova, T.A. and S.G. Kobylyanskiy, 1985. Feeding of deepsea fishes of the Family Bathylagidae. J. Ichthyol. 25(3):89-100. (Ref. 33698)
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): 3.3 - 12.6, mean 5 °C (based on 16 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.6250 [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 ±0.42 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 (10 of 100).
