How many piranhas could i keep in a 90 gallon aqaurium (48" 18" 25"im guessing 7 does anyone else have any suggestions?? And how many do you think i could keep in a 55 gallon?? (48" 12" 23"
Well, they get 6-8 inches long. I would plan your tank based on the biggest adult size. So in a 90 gallon tank, that is about 11 fish. In a 55 you could have 6 fish. The young fish have to be raised together, because they are intolerant of new members, so you should get them all at once.
im guessing 7 does anyone else have any suggestions?? And how many do you think i could keep in a 55 gallon?? (48" 12" 23"