No offense as I am here to help, but I sense some na
ďve understanding of their requirements and general nature. All sharks bite, some more willingly than others and all willing during feeding sessions, whether conspecifics or not. Nurse sharks are more laid back except when feeding and behave much like a pitbull when biting, I.e. They don't let go. They also attain more than 10ft and 200lbs. That is a lot of shark. White tips, though smaller, still reach 4-5ft and 30-40lbs. They also tend to be mouthy. You'd still need a large swimming pool-sized display to house such animals.