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 - 3290 m (Ref. 50610). Deep-water; 55°N - 48°N
Eastern Pacific: British Columbia in Canada to central Baja California in Mexico.
Size / Weight / سن
Maturity: Lm ?  range ? - ? cm
Max length : 21.0 cm TL جنس نر / بدون خواص جنسي; (Ref. 2850)
توصيف مختصر
كليدهاي شناسايي | ريخت شناسي | ريخت ستجي بوسيله انداره گيري
خارهاي باله پشتي (کل) : 0; شعاع نرم باله پشتي (کل) : 8 - 13; خارهاي باله مخرجي: 0; شعاع نرم باله مخرجي: 26 - 33; مهره ها: 82 - 91. Pectorals moderately long and narrow (Ref. 6885). Greenish brown above, silvery on sides and belly showing delicate iridescence (Ref. 6885). Branchiostegal rays: 8 (Ref. 35950).
Occur from near surface to bathypelagic depths. Feed mainly on small fishes but also takes small crustaceans and cephalopods (Ref. 6885). Predators include albacore, salmon, swordfish and lancetfish (Ref. 4525). Oviparous, with planktonic larvae (Ref. 35950).
Life cycle and mating behavior
بلوغ | تولید مثل | تخم ریزی | تخم ها | Fecundity | توزاد ( لارو)
Eschmeyer, W.N., E.S. Herald and H. Hammann, 1983. A field guide to Pacific coast fishes of North America. Boston (MA, USA): Houghton Mifflin Company. xii+336 p. (Ref. 2850)
وضعيت در فهرست قرمز IUCN (Ref. 130435: Version 2024-2)
خطر برای انسان ها
Harmless
استفاده انسانی
ماهي گيري – شيلات:
ابزارها
گزارش های ويژه
بارگيری XML
منابع اينترنتي
Estimates based on models
Preferred temperature (Ref.
123201): 2.6 - 4.7, mean 3.3 °C (based on 21 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00224 (0.00091 - 0.00552), b=3.08 (2.86 - 3.30), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
Trophic level (Ref.
69278): 4.1 ±0.55 se; based on food items.
Generation time: 1.6 ( na - na) years. Estimated as median ln(3)/K based on 1
growth studies.
جهندگی (Ref.
120179): متوسط, كمينه زمان لازم براي دو برابر شدن جمعيت 4/1 – 4/4 سال (Assuming tmax>3).
Fishing Vulnerability (Ref.
59153): Low vulnerability (20 of 100).