In the 1930s, an Asian freshwater fish escaped from a California goldfish farm and eventually established populations in waterways far beyond the facility where it was kept. The fish, commonly known ...

Add Yahoo as a preferred source to see more of our stories on Google. An invasive species of fish that can live out of water has been found lurking in Canada, experts warn. The Department of Fisheries ...

Loaches are enjoyable additions to tropical freshwater aquariums. Typically, they are peaceful scavengers, spending time searching for food at the bottom. Many loach species thrive in schools, and ...