If you have an extremely aggressive devil, the only suitable tankmate may be the largest pet rock you can find. Let him him try to kill that all he wants.
butters;1748594; said:i have a pair of devils male 10" female 7" in a 180g with 8"male hartwegi,7"female synspillum,7"male fenestratus,7"male blackbelt and some smaller centrals all living happily together.so there is hope yet.