how many goldfish in a 40-gallon tank?
A 40-gallon tank can comfortably house 2-3 goldfish. For each additional goldfish, the tank should be 10 gallons larger. Therefore, a 40-gallon tank should never house more than 3 goldfish. Finding out the maximum number of goldfish to keep in a 40-gallon tank can be a daunting task if you don’t know the right information. … Read more