fishnutham said:the toronto zoo by me has a arrow with fin rot and hith yes hith and scales missing hes in a concrete aquarium with a rubber lining that has peeled away over the years exposing the concrete this has lime in it which totaly screws the water ph the poor fish should be put down i'm writing a letter to the zoo and voice my concerns terrible thing to see.
That is terrible. They really should euthanize that fish, cause advanced Hith is a terrible thing to see. - I also never knew about the lateral line erosion having to deal with lighting as a factor. I always thought it was always poor water and lack of vitamin C. I learn so much here.