The eulachon, also hooligan, ooligan, or candlefish, is a small anadromous ocean fish, Thaleichthys pacificus, a smelt found along the Pacific coast of North America from northern California to Alaska. The common names of this fish have a somewhat confusing relationship. The name "candlefish" derives from the fact that it's so fat during spawning, with up to 15% of total body weight in fat, that if caught, dried, and strung on a wick, it can be burned as a candle. This is the name most often u… (More on Eulachon)