i have a 60l tank ,with 3 platys 4 neons ,and 5 zebras ,3 corys, i was thinking of geting a rainbow shark tmorow ,a small one 2 cm long. would it be okay with the other fish, somebody told me they had 1 for years in a community tank ,and it never bothered any other fish,but i really need to be sure,if any 1 can help with the answer id appreciate it :