Goldfish possess genetic traits that allow them to swell up to four pounds—the size of a Chihuahua. Experts say that's why ...

A giant goldfish that was found in Pennsylvania prompted a warning from US Fish and Wildlife to fish owners begging them to ...

In Presque Isle, Pennsylvania, a giant goldfish was caught during an electrofishing survey. It serves as a reminder of why [… ...

A massive "Megalodon"-like goldfish caught last year in Pennsylvania has led to a new warning from the U.S. Fish and Wildlife Service -- don't let your pet fish loose in the wild.

The US Fish and Wildlife Service said that someone releasing their pet into the wild had "created an invasive problem that ...

The U.S. Fish and Wildlife service is reminding pet owners not to release their goldfish into waterways after researchers in ...

Think goldfish are tiny? Think again. A massive goldfish turned up during an electrofishing survey in Presque Isle on Lake Erie, prompting the U.S. Fish and Wildlife Service to share the shocking find ...

If you can no longer care for a live goldfish, the United States Fish & Wildlife Service recommends trying to find another ...

The giant goldfish was found by US Fish and Wildlife Services in a waterway at Presque Isle State Park in Erie. Matt Basista/USFWS “This goldfish isn’t supposed to be here,” the government ...

Lake Erie looks like a frozen tundra, but beneath all of that ice goldfish are not only surviving, they may be thriving and growing to massive sizes.

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

"Without a tank limiting their size, goldfish that once fit in the palm of your hand can balloon into giant, football-sized invaders that compete with native species for food and habitat," the ...