Hi, I am new to the forum. I have a male betta that is 2 1/2 years old. In the last month or so he has drastically changed. After researching many things, I honestly do not if he is sick with more than one thing or if he is just old. His spine is curved, he lays mostly at the bottom of his tank, but always with his tail down and head up. He has cloudy spots on his eyes. I had him trained so that every time I turned his light on, he knew it was feeding time and would swim straight up to the top. Now he doesn't eat, it's like he can't see it or even knows it's there. Every now and then he will swim around real fast and then go back to the bottom. His find look healthy and there doesn't seem to be any spots on him. Can any one help?