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A brief introduction to turtles

The turtle (scientific name: Mauremys reevesii) is a reptile of the family Chelonidae and the genus Terrapin. The head is small, less than 1/4 of the width of the carapace, the front of the head is smooth, and the skin at the back has fine granular scales; the snout is beveled inward and downward, and the horny sheath on the beak edge is thinner; the intersection angle between the left and right teeth of the mandible is less than 90 °.

The carapace is relatively flat with 3 longitudinal edges, the limbs are slightly flat, and the fingers and toes are all webbed and clawed. The tail is short and small. The carapace is brown, the plastron and nail bridge are brown, and each scute has large dark brown spots. The head is olive or dark brown; there are dull yellow lines and yellow spots on the side of the head and pharynx, extending back to the neck. The male turtle is almost entirely black and smelly, while the female turtle has a tan carapace.

Turtles are semi-aquatic, semi-dwelling, semi-terrestrial reptiles. Mainly inhabits rivers, lakes, reservoirs, ponds and other waters. They often stay in water during the day. When the summer is hot, they flock to seek shade. They have a gentle temperament and do not bite or fight with each other. When encountering danger or being frightened, it retracts its head, limbs and tail into its shell.

Turtles are omnivores, feeding on animal insects, worms, small fish, shrimps, snails, clams, plant leaves, duckweed, melon rinds, wheat grains, rice, and weed seeds. It eats food and has a strong ability to withstand hunger. It can survive without eating for several months. Mainly distributed in Japan, North Korea, South Korea, East Timor, Indonesia (smaller Sanda Island), Palau, and China.

Extended information:

Turtle morphological characteristics:

The turtle has thick limbs, a hard shell, and scales on the head, tail and limbs. The tail and limbs can be retracted into the shell. Common species in China include turtles, whose shells can be boiled into turtle glue, which is commonly used in traditional Chinese medicine. The leatherback turtles and turtles of the order Turtles and the family Turtles are large or medium-sized sea turtles with paddle-shaped limbs that are found in tropical and subtropical oceans.

Their meat contains mostly fat, which can be used to make oil, their eggs are edible, and their nails can also be used as traditional Chinese medicine. Some species of turtles live very long, some reaching more than 300 years. Common types of large tortoises include elephant tortoises, which are 1.5m long and weigh 200kg. They are famous for being able to carry people crawling on them. The green turtle is a favorite exhibition animal. It is actually a golden turtle or a water turtle with green algae on its carapace.

The main feature of the turtle order is that the important organs of the body are hidden in a protective shell. No teeth, but sharp claws. Most turtle species are slow-moving, non-aggressive, and range in length from less than 10 centimeters (4 inches) to over 20 meters (6.5 feet).

The limbs are thick and suitable for crawling. The legs are short or have paddle-like flippers (turtles). They have a protective bone shell and are covered with horny armor. The shell is divided into upper and lower halves. The upper half is the carapace, and the lower half is the breastplate. The carapace is connected to both sides of the breastplate.

The longest-lived turtle on record was kept for 152 years, and its lifespan was at least 152 years old. According to reports, a South Korean fisherman caught a sea turtle on the coast. It was 1.5m long and weighed 90kg. It had many oysters and moss attached to its carapace. It was estimated to have a lifespan of 700 years. However, in the turtle kingdom, different turtle species have different life spans. Some turtles can live more than 100 years, while others can only live about 15 years.

Baidu Encyclopedia-Turtles

Baidu Encyclopedia-Turtles