No, not regularly. Most species of turtles don't go after other turtles unless they are a aggressive turtle. Exceptions for this are Snappers and Musk turtles which are more carnivorous.
Painted Turtles can eat turtle pellets, live feeder fish, small snails, tiny tadpoles, live crickets( but i don't recommend crickets), sliced hard boiled eggs(just don't give it to them every day,...
Yes, but don't buy any from the pet store...you know the ones that clean the tank...just go to the store and get you the shrimp that you would get for a shrimp cocktail. Freeze them. It makes less of...