Almost certainly a water quality issue, with early stages of Finrot setting in. What are the ammonia or nitrite levels in the tank?
It also appears curled under. He’s been like this for 2 days and is still eating well. The black Moor he shares his tank with seems totally fine, except for a circular black spot on his tail.
Related Questions
- I have checked the PH (about 7.4), ammonia and nitrite levels in the tank (both 0). What could have caused the quick death (possibly stillborn) of these babies?
- Do you need levels like ammonia (do elevated levels of ammonia cause disintegration of Gracilaria?
- What levels of ammonia and nitrite should I see when using Fritz-Zyme?
