Good thing it wasn’t ‘gators. Someone dumped a few goldfish in Teller Lake No. 5 off Valmont Road in unincorporated Boulder County a while back. Now, there are thousands. The exotic (to Colorado) ...

A 14-inch goldfish removed from the Niagara River. [Related: Whatever you do, don’t set your pet goldfish free in a stream.] In the Great Lakes, they’re an invasive species that will “eat anything and ...

Hi, I’m Luke! I’m passionate about buying, selling, breeding, and keeping goldfish — and I’ve built a space to share everything I’ve learned along the way. Whether you’re new to goldfish keeping or a ...

Releasing a goldfish into the wild can create "an invasive problem that can last decades," the U.S. Fish and Wildlife Service ...

Last week, Carver County Water Management Organization staff removed over 2,000 goldfish that were spawning in Lake Hazeltine in Chaska. The organization said it is working to remove a large amount of ...

A new kind of lake monster has been found, in the depths of Lake Tahoe: gigantic goldfish. Researchers trawling the lake for invasive fish species scooped up a goldfish that was nearly 1.5 feet long ...

Environmental scientist Jordan Wein guesses that there could be as many as 100,000 goldfish in Chaska’s Grace Chain of Lakes. If you count all the little ones, there might be 200,000-300,000. Wein, ...