This fish is very available and sold in most pet stores. It makes a great beginner fish but is also appealing to the veteran aquarists.

The Guppy, in its many different colors and varieties, is a great and hardy fish. Kept by many beginners, it is not a very hard species to keep alive.

The neon tetra (Paracheirodon axelrodi) is one of the most readily available freshwater fish, being sold all around the world.