Grayling

Grayling, freshwater game fish (genus Thymallus) whose flesh is regarded as a delicacy. It is related to the trout but has a smaller mouth and a larger dorsal fin. The largest grayling weigh about 4 lb (2 kg). Graylings are found in only a few parts of the northern United States, but are abundant in the colder waters of Canada and northern Eurasia.