Does the tortoise have claws?

The forelimbs of the turtle are longer than the hind limbs, and there are 1 claws on the inside. The claws of the male forelimbs are powerful and bent into hooks. The snout is short and round, and there is no hook at the front end of the maxilla, and there are two vertical horns on the inner surface of its cuticle; The mandible is slightly hooked, with strong serrations at the edge of the mandible, and the chewing surface has a short and pointed ridge connected by dentate processes. There are symmetrical scales on the back of the head, and the scales on the forehead are 1 pair.

The carapace is heart-shaped and the shield is tiled and inlaid; The neck shield is short and wide, juxtaposed with the adjacent side shield; Five vertebral shields, the first is fan-shaped, the second to fourth are hexagonal, and the fifth is trapezoidal; 4 pairs of rib shields, the first pair of rib shields is not connected with the neck shield; There are 1 1 shields on both sides. The carapace is flat, the front and back edges are curved, and the front end has a 1 triangular throat shield. Other shields are arranged neatly, symmetrically and closely along the abdominal line.

Extended data:

Breeding methods of turtles:

Mature turtles swim in the ocean all the year round, but once the breeding season comes, even thousands of miles away, before the spawning season comes, male and female turtles will swim back to their birthplace from their feeding habitat and mate on the coast, in the waters around the island or on land. At this time, both males and females are very active, chasing each other and choosing spouses.

The male hooks the female's carapace with his forelimb claws and inserts the adapter into the female's cloaca. The mating time can last for 3-4 hours. It is often seen that several male turtles compete to mate with a female turtle. After mating, the female turtle will store the sperm of each male turtle until the eggs mature, and then fertilize them in batches. So the mother turtle will go ashore to lay eggs many times in a spawning season.

Once the mating period is over, the male turtle will return to the feeding area by himself. However, mating and spawning are not carried out every year. Research shows that the average migration time is about 2 to 9 years. The interval between mating and spawning will be affected by climate, food, temperature and other environmental factors, and the physiological condition of female turtles will also affect their reproductive cycle. Therefore, the number of female turtles laying eggs ashore varies greatly every year, and there is no certain periodicity.

Baidu Encyclopedia-Turtle (Turtle, Turtle)

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