Germanman
My fish are my babies
Don't know if it's relevant but I had a blue cheek gobie did that. I couldn't understand why until I discovered my anemone was disintegrating. Don't know if you have an anemone but if you have might be worthwhile checking it out.
that is usually a sign of poor water quality...ur nem dieing...so yea that makes since...could be a bacterial block up causing the swim bladder not to work.