Loss of habitat is thought to be responsible for its decline; much of the Missouri River drainage system has been channeled and dammed, reducing the gravel deposits and slow-moving side channels that are its favored spawning areas.
Loss of habitat is thought to be responsible for its decline. Much of the Missouri River drainage system has been channeled and dammed, reducing the gravel deposits and slow-moving side channels. These moving side channels are its favored spawning areas.