The turtle is also known as turtle, groupers, oviparous amphibious reptiles. In some parts of the south, it has become the tam fish and jia fish. Its head like a turtle, but the back armor does not have turtle-like stripes, the edge of the soft-like skirt, the shell to be softer than the turtle. The color is dark green. Oval shape, more flat than the turtle, its dorsal and abdominal armor bearing a soft outer membrane, surrounded by a delicate skirt, head, neck and limbs can be retracted, limbs were born five claws, crawling agile, from the appearance of the color observation, the turtle is usually dorsal and limbs of dark green, some of the back of the light brown, the ventral side of the white in red. Snappers are amphibious, amphibious, and use lungs to breathe, so there should be enough land beaches around or in the center of turtle ponds so that it can carry out land activities. The turtle's living habits can be summarized as "three likes and three fears", i.e., like quiet and afraid of shock, like sun and afraid of wind, like clean and afraid of dirty. Snappers are sensitive to the sound of the surrounding environment, as long as there is a slight movement around, the snappers can quickly dive into the mud underwater. Soft-shelled turtle is a reptile, looks like a turtle, living in the water, short tail, dark green dorsal armor, nearly round, long with many small bumps. It is one of the largest freshwater turtles, with a body length of 80-120 centimeters and a weight of about 50-100 kilograms, with the largest exceeding 100 kilograms. Appearance and common Chinese soft-shelled turtle is very similar, all the body is covered with soft skin, there is no horny shield like turtles, dorsal and ventral surfaces are covered by bony plates, the left and right sides are connected to form a special "armor", the body is flat and round, flat and thin, the back is flat, the dorsal armor does not bulge and is plate rounded. The base of the neck and the front of the dorsal armor are smooth, and there is a tumor-like protrusion at the back. The dorsum is tawny or brownish-green, the head and abdomen are yellowish-gray, the tail and hind limbs are yellowish-gray, and there are rusty-yellow patches on the ventral surface of the hind limbs. The toes of the third and fifth toes are clawed, and the webbing between the toes is large. The anus is gray-black. Soft-shelled turtles inhabit rivers and lakes and are good at drilling mud and sand. Feeding on aquatic animals. In summary, it can be seen that the turtle and soft-shelled turtle appearance and habits have a lot of similarities, but compared to the two, the soft-shelled turtle's body shape is significantly larger than that of the turtle, while the soft-shelled turtle's muzzle is extremely short, the head is more obtuse, broader and flatter, nostrils are small, located in the end of the muzzle, muzzle is shorter, does not protrude, not as long as the turtle and pointed.