After 6 weeks cycling my tank I brought home my a lovely, healthy half-moon tail boy on Sun, Nov. 8th.
I did a 20% water change on Mon. 11/9 adding 1 tsp of aquarium salt to the 5 gal tank. After two days 11/10 a single tear showed up on the top half of his tail. At that point I removed a piece of wood I had in the tank as I thought he might be catching on it, but the damage keeps popping up. I do have rocks in the tank, but everything else is soft, live plants.
New tears are appearing every morning (nothing has happened during the day). His colors are bright, his appetite is GREAT, and he is very active and curious. I'm really confused.
Could rot set in that quickly?
Could he be damaging the tail himself? And if it is self inflicted what option is there?
5 gal tank
Temp 80.5 F average
Ammonia and NO2 levels: 0