Getting a new 20-gallon aquarium is like starting with a fresh, blank canvas because there are so many possibilities for the decorations, live plants, and of course aquarium fish. If you’re stuck in analysis paralysis from all the choices, here are five of our favorite setup ideas to help inspire you.

If your aquarium is covered with unsightly algae, you need some hungry helpers to get the outbreak under control. In this top 10 list of amazing algae eaters, we’ve gathered animals that are not only safe for aquatic plants but can often work together for increased effectiveness.

There’s something so peaceful and awe-inspiring about seeing a large school of fish swimming back and forth in perfect harmony. If you’re looking for a beautiful schooling fish to get started with, check out our top five species that are easy to care for and will look amazing in your aquarium.

One of our most frequently asked questions is “What can I put in a 10-gallon aquarium?” When you’re surrounded by hundreds of freshwater fish at a fish store, the possibilities just seem endless! Check out our top 10 list of both popular and uncommon fish to help you discover a new species you just have to try.

Goldfish are beautiful, much-beloved creatures in the fish keeping hobby, but sometimes it can be nice to add a little variety to their aquariums. After many years of owning goldfish, we’ve compiled a list of our top recommendations for goldfish tank mates (including a few that you may have never tried before).

Looking for a fish or invertebrate that will clean your aquarium so that you never have to do tank maintenance? Sorry, that mythical creature doesn’t exist. However, many animals do an excellent job of eating leftover food, algae, dying plant leaves, and even pest snails. Discover our top 10 favorite clean-up crew members that every freshwater aquarium should have.

Planted aquariums are very popular nowadays because of their natural beauty and amazing ability to consume toxic waste compounds. However, many beginners have trouble keeping their green foliage from turning brown. After more than a decade of working with aquarium plants, we’ve thoroughly vetted out our list of top 10 easy aquarium plants that can stand up to a beating and won’t break the bank.

Most aquarium fish require a heater because they’re used to tropical temperatures, but did you know there’s a whole class of coldwater fish that are perfectly fine at room temperature? In this article, we cover the 10 coolest fish that can live without an aquarium heater.

20-gallon aquariums are one of the most popular tank sizes among fish keepers because they’re small enough to keep in a bedroom but big enough that you can choose from a wide variety of fish to keep. With all these possibilities, check out our favorite freshwater fish to spiceup your aquarium with their beautiful colors and interesting behaviors.

Betta fish are known to be fierce fighters, but did you know you can add tank mates to their aquarium? Depending on your betta’s personality and the size of the tank, he can peacefully cohabitate with other fish and invertebrates. Check out our top 5 list of favorite tank mates for you and your betta fish to enjoy!