07-02-2010, 05:28 PM
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Originally Posted by Welsh
Sorry to be a pain with all my questions, I just have no clue when it comes to stocking a tank I wish it was as easy as decorating lol.
I didn't realise there were so many different tetras, now I want them all :) Different colours for the tank would be great so I don't know why I chose cardinals and neons when they are so similar lol.
I didn't comment on that, but in my experience the two species do not seem to fit together. Aside from this very subjective view, there is the issue of water temp. Neons cannot tolerate warmer aquaria like cardinals can. The latter can be quite happy in "normal" community temp aquaria, around 77-79F, but they can also mange well at higher temps which is why they make such good companions to discus and the common blue ram which both require 82+ temps. These would burn out the neons in no time, they are more comfortable around 75-77.
Water parameters is probably the single most important aspect of deciding which fish to combine in the same tank, yet it is something that is frequently not even thought of. All "tropical fish" are not the same when it comes to water, be it pH, hardness or temperature.
If you go through our profiles, you will find many (probably most) of the commonly-seen tetras (in the characins sections obviously). The Ember Tetra is one you should consider for a smaller tank, they are one of the few "dwarf" tetras. Along the same lines but in a different order are the dwarf rasbora in the Boraras genus, under the cyprinids. Very colourful, we only have a species or two listed so far, but there are others though rarely seen. Soft water though. Or the Celestial Pearl Danio, another dwarf, and one that is well suited to basic water if that is what you have. Check out the profiles, there's lots to choose from.