very good ...excellent information on this fish... i appreciate it very much... mine is alone but with two bichirs and rope fish.. seems to be doing great with them... i will look for others to add so he won't be alone... but they might not be available for awhile.. as long as he is eating very well now... flakes... krill and blood worms ... i am happy... he has so far never been skittish... when i work in the tank he hangs right there.... but i will be careful.... thanks again JonnyMick