The friendliest place on the web for anyone with an interest in aquariums or fish keeping!
If you have answers, please help by responding to the unanswered posts.
Most plecos love to hide, I know my clown spends about 80% of his time in his cave. About the spots, I don't see anything unusual. Are you sure that it isn't just your pleco's coloring? Has there been a drastic change recently?