These Fish Can Thrive in a 10-Gallon Aquarium

Posted on June 09 2024, By: Aquarium Dimensions

Fish for 10-gallon fish tanks

Just because you have a 10-gallon tank doesn’t mean you will be limited to a couple of fish species. Here are the best fish for a 10-gallon tank that can keep you company.

Fancy Guppy (pictured above)

Fancy Guppy is the best fish for a 10-gallon tank, especially for new fish keepers. The fish species is a low-maintenance one and will be suitable for novices. Their small size enables you to house half-a-dozen Guppy fishes in a 10-gallon aquarium easily. They also breed without any assistance. You should opt for fishes of the same gender if you don’t want the fish population in your aquarium to multiply. Guppies have attractive colors and will make your fish tank vibrant.

Neon Tetras

Neon Tetras are a great option for the buyers who are searching for the best fish for a 10-gallon tank. Their neon-blue skin with a red stripe makes them an attractive species for aquariums. They are small in size at about 1.25inches, and you can place six or seven neon Tetras in a 10-gallon tank. However, they are sensitive to water changes and should only be added to established tanks instead of newly cycled ones.


Betta is one of the most popular freshwater fishes among beginners and experienced fishkeepers alike. Their attractive colors and hardy nature makes them the best fish for a 10-gallon tank. You can place two Bettas in a ten-gallon aquarium without any issues. However, they can be aggressive, and you should keep an eye on their behavior to ensure that they get along. Avoid keeping two male Bettas together.

Golden Dwarf Barb

If you are searching for the best fish for a 10-gallon tank, then the Golden Dwarf Barb may be a good choice for you. It is a small-sized fish species and you can keep six to eight of them in a ten-gallon aquarium. They have shiny skin with black stripping and look mesmerizing. Golden Dwarf Barbs have a peaceful nature and are highly active. Clean aquarium water and a rich diet are the primary requirements for them.

Dwarf Corydoras

When it comes to the best fish for a 10-gallon tank, Dwarf Corydoras is an excellent species. These 1-inch fishes prefer to live in schools and you can place quite a few of them in a 10-gallon aquarium. They have a hardy nature and are easy to care for with low maintenance requirements. Dwarf Corydoras have a peaceful nature and can live on a wide variety of food. They do like well-planted aquariums with plenty of leaves.

Celestial Pearl Danio

Aquarium owners looking for the best fish for a 10-gallon tank can also consider Celestial Pearl Danio. It is a small freshwater fish that is found in shallow water bodies. They prefer to live in groups, and you can keep five of them in a 10-gallon tank. Their colorful skin and fins make the aquarium lively. These fishes require medium care level with stable water conditions. Ensure multiple plants and hiding spots for these fishes in the aquarium.


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