Louis Bardach from Gulfport, Fla., found the walking catfish near his home on Aug. 4 Heavy rain, gusty winds, and catfish? A Florida resident was in for a surprise during an intense storm. On Sunday, ...

You can see right through this little aquarium fish from Thailand: Its skin is almost completely transparent. But when the light hits it just right, its body flickers with shimmering rainbow colors.

Hundreds of suckermouth armored catfish, also known as "plecos," were removed from a river in Texas over the past few weeks. Officials said this will provide information on how best to control the ...