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> Salmoniformes (Salmons) > Salmonidae (Salmonids) > Thymallinae
Etymology: Thymallus:Greek, thymallos, -ou = a kind of fish similar to salmon (Ref. 45335); thymallus:The name 'thymallus' could come from the thyme taste of the flesh of this fish (Ref. 30578). More on author: Linnaeus.
محیط زیست: محیط زیست / منطقه آب و هوایی / تغييرات عمق / محدوده توزیع بوم شناسي
; آب شيرين; لب شور موجوداتی که در محدوده وسیعی از آبهای آزاد از نزدیک بستر و یا روی کف بستر، در قسمت های میان آبی تا سطح آب و در برخی گونه ها با قابلیت پرواز، زندگی و تغذیه می کنند.; pH range: 7.0 - 7.5; dH range: 20 - ?; غير مهاجر; تغييرات عمق 15 - ? m (Ref. 30578). Temperate; 6°C - 18°C (Ref. 2059); 70°N - 42°N, 6°W - 66°E
Europe: Barent Sea basin west of Urals, Caspian, Black, Baltic, White and North Sea basins, Atlantic westward to Loire drainage; Rhône drainage; northern Adriatic basin east to Soca drainage. Introduced over most of southern and central Finland.
طول در اولین بلوغ / اندازه / وزن / سن
بلوغ: Lm? range ? - ? cm Max length : 60.0 cm TL جنس نر / بدون خواص جنسي; (Ref. 556); common length : 30.0 cm TL جنس نر / بدون خواص جنسي; (Ref. 556); بيشينه وزن گزارش شده: 6.7 kg (Ref. 6368); بيشينه سن گزارش شده: 14 سال ها (Ref. 556)
خارهاي باله پشتي (کل) : 5 - 8; شعاع نرم باله پشتي (کل) : 12 - 17; خارهاي باله مخرجي: 3 - 4; شعاع نرم باله مخرجي: 9 - 10; مهره ها: 57 - 61. Distinguished from Thymallus arcticus by the following unique characters: maxillary usually reaching anterior margin of eye; pelvic fin grey, lacking red stripes; body without red spots; dorsal fin greyish, with parallel rows of round dark spots; gill rakers 19-30, averaging about 24-26 (Ref. 59043). Caudal fin with 19 to 21 rays (Ref. 2196). Body shape (shape guide): fusiform / normal.
Inhabits submontane reaches of rivers with a hard sand or stone bottom and well oxygenated, cold and fast-flowing water (Ref. 59043). Prefers running, well-oxygenated waters of rivers (Ref. 30578). In Scandinavia, it occurs in clear lakes and freshened part of northern Baltic basin. Usually lives in hollows behind boulders and shaded water under overhanging vegetation (Ref. 59043). Gregarious, forms schools (Ref. 2196). Feeds mainly on insects (Ref. 9696), nymphs, small worms and crustaceans (Ref. 30578). Breeds in shallow stretches, usually 20-40 cm deep, or riffles, with moderate current of about 0.5 m/s and clean gravel bottom (Ref. 59043). Can be captured with natural bait (insect larvae) or with artificial fly. Very sensitive to pollution (Ref. 30578).
