Is a 3 gallon fish tank too small?
No fish should live on such a small tank. Bettas need a minimum of 5 gallons and no other fish should be placed in unless the tank is at least 10 gallons.
How many betta fish can I put in a 3 gallon tank?
How Many Bettas Can I Put In A 3 Gallon Tank? If all you have is a 3-gallon tank, then it’s best to only keep one betta fish in it, and it’s best for this arrangement to be temporary. A 5-gallon tank is not much more expensive and will make a superior long-term home for your fish.
How many Glofish can you have in a 3 gallon tank?
One to three can be kept. The general rule of thumb is one inch of fish per gallon of water. Once they reach maturity, you will need a larger tank. They are schooling fish that do best in groups.