number of fish
Right now, I have a pictus catfish and black tipped catfish that are always together. Is that a good number, or do they need to be in a larger group, and if so, about how many?
Also, I have two rainbow loaches with three tiger barbs. These two groups sometimes are caught swimming together, but most of the time, the loaches are hiding together. Now, should I get another loach to make it a triple, as I heard that they do best in groups of three or more?
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