Environment: milieu / climate zone / depth range / distribution range
بوم شناسي
دريايي ناحیه ای از منطقه اقیانوسی با عمق بین 1000 تا 4000 متر. موجوداتی که در آبهای آزاد بین اعماق 1000 تا 4000 متر زندگی و تغذیه می کنند; تغييرات عمق 0 - 4580 m (Ref. 58302), usually 1200 - 2000 m (Ref. 32364). Deep-water; 55°N - 20°S, 180°W - 180°E
Circumglobal: In tropical to temperate waters. North of about 20°S; except Mediterranean Sea and eastern Central Pacific. NorthEast Pacific: Queen Charlotte Islands, British Colombia, Canada to central Mexico, including the Gulf of California (Ref. 32364).
Size / Weight / سن
Maturity: Lm ? range ? - ? cm
Max length : 80.0 cm TL جنس نر / بدون خواص جنسي; (Ref. 96339)
خارهاي باله پشتي (کل) : 0; شعاع نرم باله پشتي (کل) : 300; خارهاي باله مخرجي: 0. Dorsal fin with up to 350 rays; caudal much reduced, linear; anal fin rays 265-270 or more; pectorals small (Ref. 6885). Uniform dusky brown, except jaws, pectoral fins, and lower abdomen which are paler (Ref. 6885). Strong sexual dimorphism (Ref. 3247).
Meso- and bathypelagic (Ref. 58302). Feed on crustaceans (Ref. 3247). Oviparous, with planktonic leptocephali (Ref. 32364). Degenerative changes in males and females suggest semelparity (Ref. 32364). Minimum depth reported taken from Ref. 86942.
Life cycle and mating behavior
Maturities | تولید مثل | Spawnings | Egg(s) | Fecundities | توزاد ( لارو)
Smith, D.G., 1990. Nemichthyidae. p. 199-202. 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. 4456)
وضعيت در فهرست قرمز IUCN (Ref. 130435)
خطر برای انسان ها
Harmless
استفاده انسانی
ماهي گيري – شيلات: از بی علاقه گی
ابزارها
گزارش های ويژه
بارگيری XML
منابع اينترنتي
Estimates based on models
Preferred temperature (Ref.
123201): 2.2 - 5.6, mean 3.6 °C (based on 1847 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5645 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00102 (0.00046 - 0.00225), b=3.06 (2.88 - 3.24), in cm total length, based on all LWR estimates for this body shape (Ref.
93245).
Trophic level (Ref.
69278): 3.5 ±0.50 se; based on food items.
جهندگی (Ref.
120179): پايين ، كم, كمينه زمان لازم براي دو برابر شدن جمعيت 5/4 – 14 سال (Assuming tmax>10).
Fishing Vulnerability (Ref.
59153): Moderate to high vulnerability (52 of 100).
