These are the prettiest freshwater fish, from vibrant brook trout and pumpkinseed sunfish to majestic lake sturgeon. Check out how these species made our list!

These fish don’t need a coral reef to look amazing—they’ll happily turn ... Guppies are like confetti with fins—tiny, cheerful, and colorful in all the right ways. They're often the ...

Two new species of fish were discovered in tributaries of the Black Warrior River System in Alabama, according to a study. Photo from Bernie Kuhajda A collection of colorful fish that are crimson ...