Tank is 200lt, and no it wasnt feeding time, they have never been aggressive towards each other since being forced together 2 weeks ago, upgraded one of my tanks so all the fish from smaller one now in the 200lt wile the other 200lt cycles. they normally dont take notice of each other but for the last 20 min they been like the video just sorta rubbing up each other after about half hour they gone there seperate ways,