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!

Guppies are like confetti with fins—tiny, cheerful, and colorful in all the right ways. They're often the first fish people fall for, thanks to their adaptability and endless color combinations.

The two species of fish could look pretty similar on first glance, but they have slight variations in color and size. The Locust Fork darter is slightly bigger, but the fish are both fairly small ...