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.

However, if you're ready to start an aquarium and are aware of what you're taking on, there are a whole host of colorful fish to choose from. Here are a few of our favorites for your freshwater ...

colorful bottom-dweller typically only found along the northwestern coast of the United States. It is the first time Chirolophis nugator — a species of prickleback fish also called the mosshead ...

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 ...