A 30cm tank can hold five to seven mini parrot fish. The 30cm fish tank is a small fish tank, and mini parrots are small fish. Adult fish are 5cm~6cm. It is best to keep four to six.
At least one pair, but don't keep too many at one time. This fish has a strong sense of territory and may There will be fights between them, so a 30-meter fish tank is enough to keep four to six mini parrots.