رده بندی / Names
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Salmoniformes (Salmons) >
Salmonidae (Salmonids) > Coregoninae
Etymology: Coregonus: Greek, kore = pupils of the eye + Greek, gonia = angle (Ref. 45335).
More on author: Linnaeus.
Environment: milieu / climate zone / تغييرات عمق / distribution range
بوم شناسي
; آب شيرين; لب شور نزديك كف زي; pH range: 7.0 - 7.5; dH range: 20 - ?; رود کوچ (Ref. 51243). Temperate; 4°C - 16°C (Ref. 2059); 78°N - 41°N, 6°W - 85°E
Europe: Native to Lake Bourget (France) and Geneva (Switzerland, France). Population of Lake Aiguebelette (France) apparently introduced, but a 'lavaret' had already been recorded from there in the 17th century (Ref. 59043). Other authors assume it to be a superspecies occurring in Great Britain and Alpine areas of Central Europe. Has been stocked into many other places in Europe outside its native range. There are many parallel and wrong scientific names for this species in use because of the problems in classifying the genus Coregonus (Ref. 7495). Asia: introduced to Iran (Ref. 39702).
Length at first maturity / Size / Weight / سن
بلوغ: Lm 27.1, range 40 - ? cm
Max length : 73.0 cm TL جنس نر / بدون خواص جنسي; (Ref. 40637); بيشينه وزن گزارش شده: 10.0 kg (Ref. 35388)
خارهاي باله پشتي (کل) : 3 - 5; شعاع نرم باله پشتي (کل) : 9 - 12; خارهاي باله مخرجي: 3 - 5; شعاع نرم باله مخرجي: 10 - 13. Mouth small with protruding upper jaw. Silvery body (Ref. 35388). Caudal fin with 19 soft rays (Ref. 40476).
Body shape (shape guide): fusiform / normal.
Gregarious lacustrine forms (Ref. 2163) and anadromous estuarine forms, rarely in full saltwater. Feeds on planktonic crustaceans, or larger benthic crustaceans in brackish water. Movement in water column as a function of zooplankton repartition (Ref. 2163). Spawns in gravel, near shore, in shallow water, in December (Ref. 59043). Likely to benefit from environmental regulations in France passed on 8/12/88 (Ref. 2163).
Spawning takes place at night.
Wheeler, A., 1992. A list of the common and scientific names of fishes of the British Isles. J. Fish Biol. 41(suppl.A):1-37. (Ref. 5204)
وضعيت در فهرست قرمز IUCN (Ref. 130435: Version 2025-1)
خطر برای انسان ها
Harmless
استفاده انسانی
ماهي گيري – شيلات: تجاري; آبزي پروري: تجاري; ماهي ها ي سرگرم كننده: بله
ابزارها
گزارش های ويژه
بارگيری XML
منابع اينترنتي
Estimates based on models
Preferred temperature (مرجع
123201): 5.8 - 12.5, mean 9.5 °C (based on 528 cells).
Phylogenetic diversity index (مرجع
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00447 (0.00377 - 0.00529), b=3.20 (3.16 - 3.24), in cm total length, based on LWR estimates for this species (Ref.
93245).
Trophic level (مرجع
69278): 3.1 ±0.0 se; based on diet studies.
جهندگی (مرجع
120179): متوسط, كمينه زمان لازم براي دو برابر شدن جمعيت 4/1 – 4/4 سال (K=0.3-0.7; tmax=8; Fecundity=3,800 - 169,800).
Fishing Vulnerability (Ref.
59153): Moderate to high vulnerability (51 of 100).
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Climate Vulnerability (Ref.
125649): High to very high vulnerability (72 of 100).
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Nutrients (Ref.
124155): Calcium = 20.4 [11.3, 32.4] mg/100g; Iron = 0.335 [0.226, 0.476] mg/100g; Protein = 18.4 [17.4, 19.4] %; Omega3 = 1.06 [0.46, 2.79] g/100g; Selenium = 17.1 [8.9, 38.7] μg/100g; VitaminA = 6.28 [2.85, 14.43] μg/100g; Zinc = 0.552 [0.447, 0.674] mg/100g (wet weight); based on
nutrient studies.
