Supermales Eradicate Brook Trout in Two Idaho Streams

“The Apache trout and roundtail chub that are native to Arizona’s West Fork Black River have long struggled to compete against invasive brook trout (Salvelinus fontinalis). So it may seem strange that biologists are dumping even more hatchery-raised brook trout into the river. But these new trout are bred to have a genetic quirk designed […] The post Supermales Eradicate Invasive Brook Trout in Two Idaho Streams appeared first on Human Progress.