05-14-2012, 01:45 PM
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I think he is referring to these....
They are the Tetra variety (most you usually see are Danio).
I like these fish myself and may get a few in the future. Some dislike the genetically altered fish, and I respect that opinion. Since they were created for the purpose of monitoring pollution, and later sold to hobbyists, I have no problem with them being on the market.
I've never kept German Rams, so I can't speak on the compatibility. I'm sure others here can better educate us on that.
I'm planning a future Tetra tank, and I may add some of these to it. Still unsure.