Bull trout
· Bull trout sometimes spawn with brook trout creating hybrids, which are believed to be sterile. · Bull trout are listed as “threatened” by the U.S. Fish & Wildlife Service. The native population of bull trout in California is extinct. · There are around 438 distinct bull trout, primarily resident, populations in the United States. · The all-tackle world record is a 32-pound, 40 1/2-inch bull trout caught in Lake Pend Orielle, Idaho in 1949.