I have some questions about Velvet. I have a betta that I adopted from a classroom at the end of the school year (last May). He sat in a 1/2 gallon container and didn't get the water changes he needed. When I got him he looked diseased.. He looks like he has Velvet.. and there is a white patch across his head that looks like he's missing scales or kind of like the saddle of columnaris except it's just plain white and nothing is growing there. I know Velvet can cause something like this when it is very advanced. I treated with aquarium salts and leaving him in a sun lightless room for a month (minimum night light during the day).. no change.. He acts perfectly fine. He's active, responsive, eats great, and doesn't flash on his plant or thermometer that I've ever seen. He just looks so bad.. Could it just be his natural coloring? I don't want to throw some kind of copper safe stuff at him while he seems perfectly healthy. The teachers report he looked like this when they got him a year ago last August so that means he's looked like this 16 month..
I would think that if he were sick he'd be showing some signs after 16 months other than the very odd coloring, but it looks so much like Velvet I just wanted to share this story to make sure I'm not missing something. Here he is: