- Joined
- Nov 17, 2016
- Messages
- 135
- Reaction score
- 85
This Blenny has been in QT under CP for about two weeks. He'd shown this black thing all this time. I tried adding Metroplex and Kanaplex to the food to get him to eat but he spits the food back out most of the time. Any ideas as to what this is and, if dangerous, how to treat it?


