02-26-2013, 07:09 PM
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Originally Posted by NewFishFiend
Will different types of tetras school together? I had planned to get 10 tetras for the new tank. As far as the barbs go, i like them okay but my male is mean amd i dont want just a 30 gallon of mean barbs lol.
Shoaling fish live in large groups, and there must be a group of that species. Numbers depend upon many factors, but always the more the better. This means fish of that species. The fish has evolved to require this, or it will be stressed and in poor health, and frequently turns more aggressive than normal.
Depending upon the species, 10 different species of tetra would mean something around 7-8 of each species, resulting in 70-80 fish not counting the angelfish. I would consider 3, 4 or 5 species, with 8+ of each.
Which brings me to the barbs. They must have a group of 8, or this will only get worse. They are naturally nippy to begin with, but such fish when denied what nature programmed into them often become even worse. It is your choice, but if you want Tiger Barb then you should have 9 of them in the 30g.