I had problems with my grouper with the free swimmers as well. If it stayed in a cave he didn't care, but if competes with his food...that's a different story.
Recently I've noticed a "changing of the guard" in my 125. I think my Lunare Wrasse got fed up with being bullied around and he's taking the whole tank over. My wrasse has never bothered my tusk, snowflake, or lion...but there was an all out war with my trigger and grouper. Now the wrasse has AMAZING color and has claimed that tank as his.
Recently I've noticed a "changing of the guard" in my 125. I think my Lunare Wrasse got fed up with being bullied around and he's taking the whole tank over. My wrasse has never bothered my tusk, snowflake, or lion...but there was an all out war with my trigger and grouper. Now the wrasse has AMAZING color and has claimed that tank as his.