Thats great that the tank is cycled but also kind of sucks. Had it not been maybe we could have assumed it got infected due to high ammonia/nitrites...smh he looks active. Maybe you should pot this in the health and disease section to get alittle more exposure
Thanks for reminding me again J jaws7777 . Needed the extra push.
https://www.monsterfishkeepers.com/forums/threads/healing-open-wounds-bichir.680519/

