Best Fish for a 3-Gallon Aquarium (Freshwater)

Posted on July 06 2024, By: Aquarium Dimensions

Best Fish for a 3-Gallon Aquarium (Freshwater)

Only a small variety can be kept in a 3-gallon tank. Of those, here are some of the best in terms of care, health, and looks. 


Bettas are the most popular and common species kept in a 3-gallon tank, although they shouldn’t be kept together. They are prized for their hardy nature and spectacular colors. They are a great choice for beginners as they are relatively flexible with water parameters.


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