Fishes of Idaho: A Natural History Survey is the most recent and comprehensive study of the variety of fish species that inhabit Idaho's waters. An exhaustive natural survey of all species known to exist in the Gem State, this encyclopedic book provides biologists, naturalists, students, and anglers with the most complete reference of its kind." Plus our own Rob Van Kirk authored the chapter on the Henry's Fork! 794 pages.
Fishes of Idaho: A Natural History Survey by John Sigler and Don Zaroban