Hello im New To MFK. I Dont Know How to post posts. I was just wondering could i keep a Hydrolycus Armatus With a Silver Arowana,Clown Knifefish And Girraffe Catfish. Silver Arowana 18inch ClownKnifeFish 14inch Girraffe Catfish 5-6inch i Will not be buying it until i have a 1300L 300 U.S Gallon i will not have that for at least 5 months and the Fish Will probably have grown 5- 7 inches bigger