The Eastern Arctic Seas Encyclopedia

2016 Edition
| Editors: Igor S. Zonn, Andrey G. Kostianoy, Aleksandr V. Semenov

Broad Whitefish (Chir, Shokur) (Coregonus nasus)

Reference work entry
DOI: https://doi.org/10.1007/978-3-319-24237-8_95

Broad whitefish (Chir, Shokur) (Coregonus nasus) – a large freshwater fish of the salmon family (Salmonidae), whitefish genus (Coregonus). It has a small head, a bent snout, and small eyes, and the color is dark. The fish has silvery-yellow stripes on the scales on each side of the body. The weight is up to 16 kg, typically 2–4 kg. Body length is 80 cm. The fish feeds in the lakes and reaches sexual maturity at its 7th year of life. It spawns in rivers, less often in lakes. From October to November, it spawns under the ice. The fish produces up to 135 thousand large eggs, 4 mm in diameter. It feeds on small molluscs and crustaceans. The life span is 15 years. The species is a valuable commercial fish.

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