Traits: Fish with a large sail-like dorsal fin and small mouth; dorsal fin dotted with large iridescent red or purple spots; animal

Habitat: Cold, clear streams, lakes, ponds; spawn in streams with sandy gravel bottoms.

Foods: Mayflies, stoneflies, caddisflies, salmon eggs and smolt; also voles or shrews that fall into the water

Eaten by: Larger fish, loons, grebes, mergansers, humans

Do You Know? Grayling migrate from deep, fresh water holes upstream to spawn in smaller streams and headwaters.