Caretakers in Aurora, Ontario were surprised to find goldfish swimming beneath the surface of a quiet local pond. At first, ...

Releasing animals into the wild might appear to be an act of kindness, but it often causes unintended harm. Whether it’s ...

Caption: The N.W.T. will install a boat washing station similar to this one, next spring. It's part of an effort to stop invasive aquatic species such as zebra mussels from entering the territory.

This is how Canada's quiet war against invasive carp is waged: with electro probes, underwater nets, traps and the grim ...

Goldfish and koi are both species of carp that can become invasive, but there are differences between the two species.

With invasive carp breeding just across the border, it’s not a question of if, but when they arrive in Canada. Now federal ...

With fishing poles. At the Ridgway Reservoir Smallmouth Bass Classic, Western Slope anglers are competing to catch the most invasive smallmouth bass to win a hefty prize and help save native species.

Researchers are looking at an invasive species of algae along the Atlantic coast as a possible reason for mercury in the food chain.

Panaji: Nearly half of the earth’s biomass is made up of microbes in the oceans, and travelling ships may be carrying numerous microbial species acros.

Outdoors Officials issue warning over problems caused by common pet goldfish — here's what you need to know The species is invasive and causing problems in ponds and Great Lakes alike.

This goldfish was caught during electrofishing on a tributary of the Cornwallis River. Like other aquarium fish, goldfish are an invasive species in the wild and pose a risk to native fish stocks.