04-04-2008, 05:32 PM
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Originally Posted by bruce53176
A good rule of thumb is 1" of fish per gallon of water.
I would say it all depends on how much activity you want in the tank, one betta is not going to be that active but if you go with a schooling fish like cardinal tetras or rasboras then there would be constan movement in the tank.
Another idea is that you could get a paired up set of blue rams there an active fish with beautiful colors, and they only get to be about 1.5-2" long.
The 1" of fish per gallon rule means nothing. Can you put a 14" Oscar in a 14 gallon tank? You need to take it territory, bio-load, free-swimming space and aggresion.
Cardinal Tetras need more room than a 5G tank. You can get 5 Micro Rasboras, or possibly 5 Endler's Livebearers. You could also get 1 or 2 Dwarf Puffers if you have a heavily planted tank. Maybe even a pair of Sparkling Gouramis. Shrimp and snails will also be interesting.
Blue Rams should be in at least a 20G tank, and they have the potential of reaching 4", but most stay around 3-3.5".