BREAKING NEWS: BUILDING A BETTER RAINBOW TROUT
Colorado biologists are on a breeding blitz to revive the species ravaged by whirling disease. Super-resilient trout found in the Gunnison River will be stocked this spring with the hope of creating a self-sustaining population, says Bruce Finely of the Denver Post
Volunteers snipped off the left pelvic fin from the belly of each trout. Then they plopped them back into tanks, 20,000 fish in two intense workdays last week. Rainbow trout are non-native fish, introduced during Colorado’s 19th century. The fin snipping is to mark rainbows from a newly discovered resilient subgroup will allow tracking when releasing them into the Arkansas River this spring...