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 ... Guppies are like confetti with fins—tiny, cheerful, and colorful in all the right ways. They're often the first ...

Frogfish are some of the most colorful creatures under the sea — and some of the most unique, too. They look more like frogs ...

With sumptuous, fleshy lips and a bulbous, protruding forehead, the humphead wrasse is an unforgettable fish. This enormous, colorful coral-reef dweller is slow to reproduce, making it vulnerable to ...

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