Sheefish

Anglers who successfully locate, hook, and land sheefish usually accomplish the feat using stout 12- and 15-pound spinning gear cast into deep, moderate-flowing rivers, and retrieved deep along a graveled stream bottom.

Source: wiktionary

I've been fortunate to taste a wide variety of fish from around the globe, and one whose flavor always makes my mouth water is the sheefish.

Source: wiktionary

Furthermore, sheefish in the Kuskokwim drainage come and go unpredictably, which meant we might be casting to fish that were actually hundreds of miles away.

Source: wiktionary