Last week Clampy started getting holes in his fins (round holes in near the base of the fins) he had three, then today I looked and noticed his tail is shredded! Arg!
He is in a 3 gallon critter keeper, no filter and I change the water 100% every three days, water is conditioned tap water, no filter.
I added aquarium salt to his last tank change (3 days ago)
Here is before and 2 after pictures
Is this tail biting? I notice it is only affecting his tail, not his other fins
The only thing I did different is take the gravel out of his tank three days ago because a bare bottom tank is easier to change. Is this stressing him out?
Also, I did fast him for the day for the first time yesterday, maybe this contributed to the behavior?
What can I do?