I went to a local fish store and was looking for (an) aggressive fish(es). I picked up a freshwater barracuda (i believe its called a dog tetra) ... he's a mean looking mother. I set up a 20 gallon tank for him, and was wondering if anyone knew anything about him. I picked up a bunch of rosy feeder fish and was told to feed him two a day. any feedback on this advice or more advice is appreciated.
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