https://scholarworks.montana.edu/items/144b1853-9b0f-4b27-b9f0-45bf156451f0/full
The fluvial Arctic grayling (Thymallus arcticus) of the upper Big Hole River drainage, Montana
https://www.ifiske.se/en/fish-grayling.htm?area=946
Grayling (Thymallus thymallus)
Fishing tips and Description - Harren is a natural and trout species in Sweden. It is available in large quantities mainly in the northern parts of the...
grayling