06-24-2012, 12:16 AM
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Originally Posted by AK Fresh Water
Yes, I wanted to add some movement to to middle/upper part of the tank. Color is nice, but most catfish aren't colorful. I was hoping there was a medium sized catfish that can be kept as a single that also swims in the middle/top.
Yes, I own a kit that tests many water parameters. It doesn't do hardness, but I've spoken to the LFS.
Most cory catfish are rather adaptable and will be comfortable below 12 dGH as will oto catfish, but you should really double check the hardness (GH and KH) with your local water treatment plant. Many people are surprised to learn that their water is either harder of softer than they believe.
If you just want some color and movement, I think your best bet is to get a school of easy tetra or rasbora like pristella tetra, glowlight tetra, or harlequin rasbora. Or a trio of honey gourami. You might be able to find a catfish that fits your wants, but it's not going to be a common or easy to find (which often means difficult to care for) fish. I'm not too sure if you can search by swimming position or color, but if you're looking for catfish profiles Planet Catfish is probably your best bet.