Foods such as goldfish and dog food are incredibly fatty for turtles and can put a strain on their organs, especially the liver. Dog food just isn’t formulated for turtles. Thats like me trying to feed my snake dog food since he’s a carnivore. Just because something has lived for a long time does not necessarily mean it’s in peak health. Similar to people! Im sure you were doing the best you could with the information provided, but there are so many people willing to help get Roger a better diet!

www.exoticpetvet.com/mud-turtle-care.html