06-10-2009, 08:32 AM
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O.o really, ive always been told otos in groups of 3 are good, 6 for best results. I suggested a larger tank before adding more fish. Its true Otos will not be as active in pairs but they will do ok. Otos will eat most types of algae except thread algae. Its true they love diatoms but they do accept other forms of algae. If there isnt any in the tank theres always algae tablets to feed.
But of course it doesnt really matter unless you get a bigger tnak since you cant add anymore fish.