From spots to stripes to dazzling colors, these fish have captured our hearts with their good looks. These five made our list of the prettiest fish in fresh water. / Ken Baldwin If you asked ...

This 646-pound Mekong giant catfish was caught in 2005. Suthep Kritsanavarin. In the Mekong, where more giant fish species are found than in any other river, climate change is causing more severe ...