Aside from their quick growth and disruption of water quality, goldfish spawn several times a season and have no natural ...

"One goldfish might not seem like a big deal, but they multiply fast," the USFWS said. "Goldfish spawn several times a season, and because they have no natural predators in most North American ...

The goldfish move into their spawning grounds when temperatures hit about 50 degrees Fahrenheit and understanding this movement can help environmental officials pinpoint regions for culling.

Harper suggested it is possible goldfish eggs after they spawn could get onto the feathers of some of these birds. They might then fly to another water source, deposit those eggs and the goldfish ...

"One goldfish might not seem like a big deal, but they multiply fast," the USFWS said. "Goldfish spawn several times a season, and because they have no natural predators in most North American ...

The U.S. Fish and Wildlife Service announced on Feb. 25 that they discovered a massive goldfish — called a 'megalodon' — in a Pennsylvania waterway, which can create an 'invasive problem that can last ...

Aside from their quick growth and disruption of water quality, goldfish spawn several times a season and have no natural predators, meaning they "multiply quickly" and stick around for a while, per ...