Royal knife fish

[Bigfish7471]

Hi all, just thought i'd post up some pics of my two royal knife fish and also a youtube link to see em in action, also if anyone has larger royal knife fish please post em up, i cant seem to find any bigger ones
http://www.youtube.com/watch?v=m5xS1GmZhyE
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[Slippery K]

two knifefish in the same tank is a bad idea.