Pronunciation: [ɡɹˈe͡ɪlɪŋ] (IPA) 
The word Grayling can be spelled in two ways: with an "a" or with an "e". The pronunciation of the word is /ˈɡreɪlɪŋ/, with the stress on the first syllable. The spelling with an "a" is the preferred spelling in American English, whereas the spelling with an "e" is more commonly used in British English. The word refers to a type of freshwater fish belonging to the salmon family, and is often used in sports fishing.
Grayling is a noun that refers to a species of freshwater fish belonging to the Salmonidae family. Scientifically known as Thymallus thymallus, grayling are native to Europe, particularly the British Isles and Scandinavia, where they inhabit clear, fast-flowing rivers and streams.
Characterized by a slender body and an elongated dorsal fin, grayling typically measure around 30 to 50 centimeters in length. They possess a distinctive gray or silver coloration with a purplish-blue iridescence, hence their name. One of their outstanding features is their large sail-like dorsal fin, which aids in their maneuverability and helps them maintain balance in swiftly moving waters.
Grayling are highly adapted to cold environments and are known for their preference for clean, oxygen-rich waters. They are renowned for their agility and swift swimming abilities. Feeding primarily on insects, grayling possess a protruding mouth lined with small, sharp teeth. They are opportunistic feeders, consuming a variety of invertebrates such as mayflies, caddisflies, and even smaller fish.
Grayling are popular among anglers for their sporty nature and acrobatic fighting abilities when hooked. They are often targeted using fly fishing techniques, with dry flies and nymphs being the preferred lures. Due to their popularity in recreational fishing, grayling have also been successfully introduced in various countries around the world where the suitable habitat conditions exist.
A native fish allied to the trout, called also the umber.
Etymological and pronouncing dictionary of the English language. By Stormonth, James, Phelp, P. H. Published 1874.
The word "grayling" originates from the Middle English word "graylinge", which was derived from the Old French term "grelion". The Old French word was further traced back to the Late Latin term "gritulio", which referred to a freshwater fish. However, the exact origins and roots of the Late Latin term are unclear.
