Body style flat, fort short, curved, grip the bone is high, with plates welded together. , Pinch the tail is cut transparencies. , A little bit of blue, small eyes, small mouth, eating aquatic plants for food.
Prolate trunk style, short, curved, fortress, there are height, bone khip is connecting plate, cut a tail khip transparencies, with little crumbs, blue eyes, small mouths, small, water plants, algae eating food.
The flat body side, short, Fort bend, tongs back to the bone, there is a link next to each other, the tail of a tweezers, straight, with a little anecdote blue, small eyes, small mouth, eat seaweed plant food water is