Threadfin Rainbowfish are delicate, slender fish with long, flowing fin extensions. They’re peaceful, top-swimming fish that display beautiful iridescent colors, adding elegance and motion to planted ...

Start with the Right Tank Size When it comes to setting up a fish tank, bigger really is better—especially for beginners.

If your aquarium feels a little blah ... They're also labyrinth breathers, meaning they can gulp air from the surface. Guppies are like confetti with fins—tiny, cheerful, and colorful in ...