A rainbow trout fished out of Holmes Lake in Lincoln, Neb., on Dec. 17, 2005, features a double mouth. Clarence Olberding, 57, of Lincoln, wasn't just telling a fisherman's fib when he called over another angler to look at the two-mouthed trout. It weighed in at about a pound. Olberding, who plans to smoke and eat the fish, said the hook was in the upper mouth, and that the lower one did not appear to be functional