Turtle (scientific name: Mauremys reevesii) is a reptile, belonging to Torturidae and Pseudonymph. The head is small, not as wide as 1/4 of the posterior nail, the front of the head is smooth, and the skin at the back has fine granular scales; The snout is obliquely cut inward, and the horny sheath at the beak edge is thin; The angle between the left and right odontoid bones of mandible is less than 90. The carapace is relatively flat, with three longitudinal edges, slightly flat limbs and webbed fingers and claws between the toes.
The tail is short and small. The carapace is brown, the carapace and the nail bridge are brown, and there are dark brown spots on each shield. Head olive or dark brown; There are yellow lines and yellow spots on the head and pharynx, which extend backward to the neck. Almost all males are black and smelly, while females have brown shells.
Living habits
The tortoise is a semi-aquatic and semi-terrestrial reptile. Mainly inhabit rivers, lakes, reservoirs, ponds and other waters. Trapped in water during the day. When it is hot in summer, they look for shade in droves. Gentle temperament, do not fight with each other. When the enemy is injured or frightened, the head, limbs and tail are retracted into the shell.
Turtles are omnivores. They feed on animals and insects, worms, small fish, shrimp, snails, mussels, tender leaves of plants, duckweed, melon skin, wheat grains, rice and weed seeds. Their hunger tolerance is very strong, and they will not die if they don't eat for months.
Turtles are temperature-changing animals. When the water temperature is below 10℃, they hibernate in silt or covered loose soil. The hibernation period generally lasts from 1 1 to April of the following year. When the water temperature rises to 15℃, the cave will move. Water temperature 18-20℃ to start feeding. Afraid of high temperature above 20℃, hiding in deep cement.
The tortoise grows slowly. Under normal circumstances, the growth rate of soft-shelled turtle is: the weight of one-year-old soft-shelled turtle is about 15g, that of two-year-old soft-shelled turtle is 50g, that of three-year-old soft-shelled turtle is about 100g, that of four-year-old soft-shelled turtle is 200g, that of five-year-old soft-shelled turtle is 250-350g, and that of six-year-old soft-shelled turtle is about 400g. Male turtles grow slowly, and the largest individual who is sexually mature is generally below 750 grams.