Who needs a pet store when exotic aquarium fish are swimming wild in the canals? We went on an epic hunt to catch vibrant, unexpected species hiding in plain sight.

The northern snakehead, an invasive fish native to Asia, is rapidly spreading across U.S. rivers and lakes, posing a major ...

HONOLULU— The state of Hawaii’s Environmental Council has upheld the Board of Land and Natural Resources’ decision to maintain the ban on collecting fish for the aquarium pet trade off the west coast ...

Native to China, Russia and South Korea ... Once a popular freshwater aquarium fish, snakeheads may have been dumped into local waterways by pet owners who no longer wanted them, establishing ...