We got in some Darters simply called 'Rio Negro Darters'. They are incredibly inquisitive, interesting, fun to watch fish, and I'm VERY tempted. However, I can't find any information on them anywhere.
I do not know what their water requirements are, nor how to sex them. If anyone knows this info, or can point me in the direction of a super amazing web site, I'd appreciate all of your help.
The ones at work look a lot like this:
<img src="http://www.rva.ne.jp/gallary3/20030322/ca_black_data9681.jpg">
Pic courtesy of:
http://www.rva.ne.jp/gallery/gallary...y_carasin.html