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Arctic Grayling are one of Alaskaâs most delicate and beautiful sport fish. Their identification is easy due to their vibrant colors and incredibly large dorsal fin. The Arctic Graylingâs coloration varies greatly, and in larger Grayling that can grow up to 24 inches, their bold colors are truly a sight to see. The prominent dorsal fin is usually fringed in red and has enormous, iridescent splotches of red, aqua, or purple. Their backs are usually dark and their sides range from black or blue to silver or gold. Arctic Grayling have white bellies with gold borders and pelvic fins with luminous orange, red, or pink stripes. They also have gold eyes and their bodies are larger and thicker than other Alaska fish like salmon, trout, or char.
How to identify an Arctic Char. Like all chars, the Arctic char has light colored spots on the body and the leading edges of all the fins on the lower part of the body are milky white. These features set the chars apart from the salmons and trouts, which are the charsâ closest relatives and similar in body shape. There is an adipose fin between the dorsal fin and the tail, and an axillary process (a small bump) at the base of each pelvic fin. Arctic chars have squarish or slightly forked tails.The species most often confused with the Arctic char is an extremely close relative (also a char), the Dolly Varden (Salvelinus malma).