03-30-2009, 08:31 AM
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Originally Posted by flight50
some batches from the lfs aren't as good as others. change lfs in you really want neons. also, if you tank has gotten a case of the neon tetra disease, then no matter what, you tank will all ways have it. if i remember correctly, only way to rid of it is to break down the tank and clean it thoroughly. the disease only affects the neons though. hardiness can vary. some say they are hardier than cardinals, some say cardinals are hardier than neons. depends. wild versus captive raised makes a difference.
First off, neon tetra disease (NTD) is not nearly as prevalent as people think it is. Just about any time a neon gets sick it's labeled as having NTD. Second, it can be contracted by other fish. The infection is not as serious in some fish, or it may not always present the same but it can happen. Finally, the bit about never being rid of it is just incorrect.
Frankly I don't think cardinals are hardier than neons, but its got more to do with tank raised vs. wild caught. Cardinals tend to be wild caught, most neons aren't. Farm raised neons are usually acclimated to living in captivity and can tolerate the conditions they are in better. Wild ones typically find themselves going through a massive change in enviornment between Amazon and aquarium and they don't deal with it that well.