It's a common pleco...Yesterday I dit a 25-40% water change and added 1tsp of paking soda to up my ph by .4 (thats what I was told would help raise ph a bit at a time) Today when I got home from work I noticed his belly is smaller and he wasnt at the top of the tank just floating. He has a couple mini holes in his fins and I did notice a white spot that looks like a couple scales rubbed off. He still hasn't pooped and he hasn't eaten any peas. Now is anus is bulging out a bit...dont know if that is any help.