Best Tropical Fish for a 20 Gallon Tank

Best Tropical Fish for a 20 Gallon Tank

Neon Tetras

Best Tropical Fish for a 20 Gallon Tank | Neon Tetra

Neon Tetras (View Price) are a beautiful blue and red fish, that is well suited to live in a 20 gallon aquarium. Neon Tetras are very easy to care for, making them a very popular fish for beginners. When purchasing Neon Tetras be sure to buy at least five fish, since these fish need to be in schools to thrive.

Neon Tetras tend to grow to about 1 inch long, and will eat a wide variety of foods from pellets to flakes. Neon Tetras should not be placed in a new uncycled aquarium, since they are more sensitive to poor water conditions. . If you have a 20 gallon tank that is fully cycled, and it provides an assortment of hiding places. Neon Tetras are a great choice, and will add a splash of life and color to your tank.


Blue Gourami

Best Tropical Fish for a 20 Gallon Tank | Blue Gourami

The Blue Gourami (View Price) is a wonderful community fish for a twenty gallon aquarium. They are a unique fish due to the fact that they breath air, which means they will need unrestricted access to the water surface. Because they can breath air through modified gills, they are much more tolerant of low oxygen conditions than most other fish.

You may also notice that Gourami’s change color slightly depending on their mood, which can add a little personality to your 20 gallon tank. They tend to get along with most other fish species, but they do need someplace to hide if other fish are causing them problems. They eat a wide variety of foods and are very easy to care for, making them ideal for hobbyists of any skill level.



Best Tropical Fish for a 20 Gallon Tank | Guppy

Guppies (View Price) are a popular fish for smaller aquariums. They come in a near unlimited variety of colors and styles. The males are the most attractive, and they can be found with long luxurious tails and bright vibrant colors. Or you can still find guppies that more closely resemble their natural ancestors, the choices are nearly limitless when it comes to guppies.

They can tolerate a wide range of water conditions, and get along with most community fish. Guppies are also a great fish for first time fish breeders. They bear live young, and will readily breed in most situations. If you or any of your family members want to learn how to breed fish, I highly recommend getting a breeding pair of guppies to start out.



Best Tropical Fish for a 20 Gallon Tank Platies

Platies (View Price) are another fish perfect for a twenty gallon aquarium. You can find platies in a wide range of colors, with the males being the smaller and more vibrantly colored of the species. They are a very peaceful community fish, and are simple to care for.

Platies do prefer hiding spots, especially if they are in a tank with slightly more aggressive fish. Like guppies platies will bear live young, making them excellent fish for first time breeders. If your looking for a solid fish for a beginner, a platie should be at the top of your list.


Golden White Cloud Minnow

Best Tropical Fish for a 20 Gallon Tank | Golden White Cloud Minnow

The Golden White Cloud Minnow (View Price) is a beautiful fish, well suited for a twenty gallon tank. They are extremely hardy, and can handle poorer water conditions than most fish. This makes them great for beginners, or when you are cycling a new tank. Golden White Cloud minnows are also very tolerant of low water temperatures, which allows them to survive in temperatures as low as 65 degrees Fahrenheit.

Golden White Cloud Minnows are a very social schooling fish. If they are kept in groups of eight or more, they will be much happier and will take on a brighter color. And once they are in a large enough school, they will become much more active and swim all around the tank. If your looking for a care free community fish, that will add some life to your tank, you can’t go wrong with a school of Golden White Cloud Minnows.

Cherry Shrimp

Best Tropical Fish for a 20 Gallon Tank | Cherry Shrimp

Even though shrimp are not a fish, a group of Cherry Shrimp (View Price) will still fit nicely into a 20 gallon fish tank. Cherry shrimp are not only a beautiful species of shrimp, they are quite functional too. They are known to have a voracious appetite for algae, and do especially well in planted tanks. They will also add a little life to the bottom of your fish tank. While most fish spend their time in the central part of the tank, Cherry Shrimp will fill an important niche in a well stocked tank.

Cherry shrimp are very easy to breed, if you get a large enough group they will start breeding immediately. For best results when breeding them a planted tank with adequate hiding spots, will ensure a greater survival rate amongst the young shrimp. If your planning on having a peaceful community tank that needs a unique addition, consider adding some Cherry Shrimp.

Mark Young
Mark has worked with a wide range animals for over 10 years, and he regularly volunteers at his local animal shelter. Mark has decided to share his years of knowledge by writing helpful guides for both new and experienced pet owners