Are you looking for the best exotic freshwater aquarium fish?

ReginaWoelk / Pixabay

When it comes to exotic fish, many people point to saltwater fish. But to add more beauty and colors in your freshwater aquarium there are a lot of exotic freshwater fish available on the market. In this article we are going to tell you about some of the best exotic freshwater aquarium fish which will add more color and beauty to your aquarium.

The Blue Lobster

Blue Lobster photo
Photo by LikeSpinningPlates

The blue lobster, despite its name, is a native crayfish of Florida. They can grow about 5-7 inches long and require a tank with a capacity of at least 20 gallons. Make sure your tank contains places to hide and climb because the blue lobsters love to explore. They are one of the best exotic freshwater aquarium fish that you can have.



Malawi Cichlid photo
Photo by MSVG

They can grow to about 12 inches long and are able to change their color. If you want them to be healthy and keep on displaying beautiful colors, you need to meet certain requirements. For this purpose, you should try to mimic their natural environment and the water chemistry of their natural habitat.

Vampire Tetra

Vampire Tetras are one crazy looking exotic freshwater fish. They got their name because of their giant front teeth. They are not very easy to take care of as they are very aggressive fish and require some expert level maintenance. Unfortunately, they don’t live long when kept as a pet. They only eat live fish and will not accept frozen foods. However, if you have the patience and expert skills in looking after them then they are definitely one of the best exotic freshwater aquarium fish.



Discus photo
Photo by lwolfartist

Discus are one of the most popular exotic freshwater aquarium fish. They come in a variety of colors and are very delicate. They require some excellent water parameters for a healthy life. With proper care, discus can live up to 10 years. They are a peaceful species which can grow up to 10 inches. The red, blue and turquoise Discus are the most popular ones.


Datnoid’s originate from the waters of Indonesia and Thailand. Because of their tiger-like patterned bodies they are also called Tiger fish. This fish can grow up to 65 cm and because of this you will need a large aquarium to keep them in. They love to mimic stalking and hunting behavior so having plants and hiding spaces in your aquarium is a great idea.


Arowana photo
Photo by Marufish

Arowana’s are extremely popular exotic freshwater aquarium fish. They have big powerful jaws and razor-sharp teeth. Arowana are able to jump 6 feet in the air for pray in the wild waters and are known to jump out of the aquariums as well so be aware. They can grow up to six feet and you need to have a tank with a minimum capacity of 125 gallons to keep them in.

Green Spotted Puffer Fish

Puffer Fish photo
Photo by octal

A Southeast Asia native, the Green Spotted Puffer Fish has become a popular exotic freshwater aquarium fish because of their interesting behavior and personality. They exhibit greenish-yellow color and have black and brown spots over their bodies. They can live up to 10 years, and don’t grow more than half a foot long.

Flowerhorn (hybrid)

Native of Malaysia, Flowerhorn are very popular exotic freshwater aquarium fish because of their size and mix of colors. With brilliant dark flower like markings on their body, Flowerhorn’s come in combinations of red, pink, yellow and orange. They can grow up to 16 inches and can have a life span of 8 years.

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