Hey man here's my favorite thow i had a small black ghost knife and a yellow oscar in a 72 gallon comunnity and my oscar killed my ghost knife so i was ****ing pissed and wanta to show him he wasn't really that tough so i through his ass in my other tank with my 18 inch austrailain jardini and i never seen a fish so ****ing scared he wasn't so tough getting ****ing ate stupide oscar's i hate them.