i have had a koran angel in my tank for about a month now.i recently added a sailfin tang to the group.the first thing the koran did was swim by him then left ,came back and started chaseing him.then took a few bites out of his dorsil fin.i dont get it.he dont bother the damsel the six lined wrasse,the serpent star the snails or any of the hermits..the tang just sits in the upper right hand corner of my tank.i bought this fish on the hopeing to see its beautifull harmoney within my community.please if u have any suggestions on how to get them to be acwaint please let me now asap
