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

It's easy to assume these fish are beginner-friendly due to their vast ... Betta fish can't be kept in a regular fish bowl, needing a proper tank of at least five gallons, but the bigger the ...

Here are our favorite types of freshwater fish you can keep as a pet. If you're in the throes of setting up a home aquarium, ...