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

Whether you're a longtime fish enthusiast or simply ... In contrast, a properly sized tank with a robust filtration system for your goldfish helps maintain water quality, allowing them to exhibit ...

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If your aquarium feels a little blah, maybe it’s missing some bold personalities. We’re talking fins that flash like neon signs and colors that could outshine a fashion runway.