well yeah, they are about as big as pandas, but can be kept in pairs qutie satisfactoraly IMO. I suppose the main problem would be keeping them in algae and good water quality. a trio of dwarf cories would be good, too.DormDweller said:Fishcatch, I kinda like the idea of ottos. They are a bit smaller, if I'm not mistaken, so more suitable for the 5 g.