"There are literally millions of goldfish in the Great Lakes, if not tens of millions," biology professor Nicholas Mandrak told The New York Times City of Burnsville via AP Giant goldfish are wreaking ...

CLEVELAND — When most people think of goldfish, they probably imagine a family's first pet or something you win at a fair, but researchers say goldfish can grow up to 19 inches long and weigh up to ...

For many people, the humble goldfish is their first pet. Swimming in a tank in your house, it’s hard to imagine it’s much of a threat. But released into the Great Lakes, this iconic fish can imperil ...

(WJW) – There is a new warning about goldfish in the Great Lakes. A study published in the Journal of Great Lakes Research tracked goldfish in Lake Ontario to learn more about their impact on the ...

Add Yahoo as a preferred source to see more of our stories on Google. "There are literally millions of goldfish in the Great Lakes, if not tens of millions," biology professor Nicholas Mandrak told ...