I introduced this Dreamfish Premium Prestige Super Red Asian arowana into my 300 gallon tank yesterday; tank mates include 7 discus, a pair of Geophagus sp., and a 30 inch Australian lungfish. The last couple aros I had made life hell for my lungfish. Hopefully this one has a nice personality.
https://www.youtube.com/watch?v=eljgTFBXOMQ
https://www.youtube.com/watch?v=eljgTFBXOMQ