10-15 otos and you couldn't put any thing else in. Otos are good just make sure ou supplement there diet. Also They like established tanks and should not be put in right away. Mabye try waiting a couple months.TetraFreak said:Otos do a great job but you need a bunch of them.
Perhaps a school of 10-15 Otos and you'll have the Comic Relief feature as well when they play.
-TF
I don't think Corys eat Algae.Gumby131 said:get some corys