WalleyeWalleye, the holy grail of game fish: on catching them, understanding their biology and history, and ensuring their survival Among the more than 34,000 species of fish, few have the walleye's followingamong anglers and diners, states conferring official status on the fish, and towns battling for recognition as the Walleye Capital of the World. And among those passionate fans, few know the walleye as well as Paul J. Radomski doesa fisheries biologist,