Amur grayling
Amur grayling in aquarium
Not evaluated (IUCN 3.1)[1]
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Chordata
Class: Actinopterygii
Order: Salmoniformes
Family: Salmonidae
Genus: Thymallus
Species:
T. grubii
Binomial name
Thymallus grubii
Dybowski, 1869

The Amur grayling (Thymallus grubii) is a freshwater species of fish of the family Salmonidae, found in the Amur drainage in Russia and China and also the Onon and Kherlen drainages in Mongolia. It is sometimes difficult to differentiate the species with the Lower Amur grayling (Thymallus tugarinae). It is an edible fish in Russian far east and Heilongjiang Province of China.[2]

Description

The body of Amur grayling is usually dark, with its back being slightly purple. There are some small dark spots on the sides of the body. The edge of the dorsal fin is purplish red mixed with some spots.[3] It can reach a maximum length of 31.3 cm.[4]

Life cycle

In winter, adult Amur grayling are found in deep parts of mountain streams. While in summer, they are usually found in clear streams flowing slowly with thick aquatic weeds.[5] Most Amur grayling is feed on benthic organisms and insects.[3] They form schools during breeding in clear, fast-flowing streams.[3]

See also

References

  1. ↑ "Reference Summary - IUCN, 2022". fishbase.mnhn.fr. Retrieved 28 November 2023.
  2. ↑ Bogutskaya, Nina; Naseka, Alexander M.; Shedko, Sergei V.; Vasil'eva, Ekaterina (December 2008). "The fishes of the Amur River: Updated check-list and zoogeography". Ichthyological Exploration of Freshwaters (19): 301–366. Retrieved 28 November 2023.
  3. 1 2 3 Sung, Wang; Yue, Peiqi; Chen, Yiyu (1998). China red data book of endangered animals : Pisces. Beijing: Beijing Science Press. p. 247. ISBN 978-7-03-006401-1. Retrieved 28 November 2023.
  4. ↑ Du, Xue; Song, Dan; Wang, Huibo; Huang, Xiaoli; Liu, Hui; Huo, Tangbin (February 2021). "Length‐weight relationships of eight fish species from the Hailang river, China". Journal of Applied Ichthyology. 37 (1): 160–161. doi:10.1111/jai.14098.
  5. ↑ Chandra, Sudeep (2005). "The Feeding Behaviour of Fish from the Upper Lake Baikal Watershed of the Eroo River in Mongolia". Mongolian Journal of Biological Sciences. 3 (1). doi:10.22353/mjbs.2005.03.06. Retrieved 28 November 2023.
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