Top 10

The adorable Corydoras catfish comes in hundreds of species with all different sizes, prices, preferred water parameters, and more. To help narrow down your options, read about our top 10 favorite corys that we can’t live without.

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.

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.