05-19-2011, 09:04 PM
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Originally Posted by doughnut
Thanks Byron, That is pretty much what I was expecting and planning on.
Interesting that you say that it would be alright to have that mix in a 20g long. Is that because there is more area for the tetras and barbs to be in without standing on top of eachother so to say?
Yes. Long tanks are always preferable to high tanks with most forest fish. They tend to live in shallow creeks and streams so this sort of replicates their natural environment. Long tanks are easier to aquascape generally, and the advantage with this is in providing more of a natural environment. You can create a nice stream look with some wood laid lengthwise, plants, maybe some rounded pebbles, sand, etc. This provides more swimming room. And more area for territories, hiding spots, etc.
The other issue is that the increased surface area allows more gas exchange, so naturally (within reason) more fish can go in the tank. It is not the volume but the area that is important here. Of course, volume is important too, but there is some flexibility.
The difference of 6 inches between the 24-inch 20g tall and the 30-inch 20g long may not seem like much, but in fact it is something of a world of a difference to the fish and to the stocking.