Hello. I have a volitan lionfish I introduced into my tank about 2 weeks ago. He is eating great and behaving normal... He just hangs out during the day and swims around at night. His tankmates are a snowflake eel, Niger trigger, & mandarin. The past 2 days he has shed part of his mucus layer. His eyes are not cloudy and he has no signs of ich. Tank parameters are perfect! Nitrates 0 nitrites 0 ammonia 0 ph 8.1 any one have ideas of what could be going on with him? We are about to introduce a Radiata and dont want to if he's in trouble. Thanks for your input!