Annam turtle, also known as Vietnamese turtle, is a tortoise native to Vietnam.

However, it is precisely because of people's long-term hunting in the past that the wild Annan tortoise is almost extinct. , Artificial Breeding National Key Protected Aquatic Wildlife List and other protection lists. Today, there are a small number of breeding in South China, East China and other places in my country, focusing on the protection of this species. Below, the editor brings you the popular science introduction of the Annan turtle, I hope you can understand it more deeply and cherish it!

1. Morphological characteristics

1. Body size: Adult Annan tortoises are usually 13-20cm long and weigh 1.5-2.0kg. They belong to medium-sized turtles, and male turtles are larger than female turtles in individuals of the same age.

2. Appearance: The adult Annan tortoise is oblong, and the carapace is flat and dark brown. The top of the head is dark olive, with 2 pale yellow longitudinal stripes on the side of the head, extending to the neck. The neck is slender, with orange-red or dark yellow longitudinal stripes, and the sides of the chin are also marked with yellow stripes.

Second, living habits

1. Omnivorous: Annan tortoises have a mixed diet and can live independently in the wild. In captivity, they like to eat small fish, shrimp and lean pork, as well as poultry offal and mealworms, and occasionally a small amount of bananas.

2. Habits: Annan tortoises are aquatic. In the wild, they mainly inhabit swamps, slow-flowing rivers, small streams and pools, and they like to live in groups. In addition, they are lively and docile, with a habit of climbing their backs, and they will be arranged from bottom to top, from small to large. They hibernate from the beginning of November to the end of March every year. When the outdoor temperature is around 10 ℃, they will completely enter the hibernation period.

3. Reproductive characteristics

The sexual maturity age of the natural reproduction of Annan turtles is 4-5 years old, and the peak spawning season is from June to July. Eggs are laid 1-2 times a year. ) 2-8 pieces. Their eggs are roughly oval in shape, off-white and weigh between 8-20 grams.

In addition, the Annan tortoises also lay eggs from June to August under artificial breeding. Female turtles generally lay eggs at night, 1 to 3 eggs are laid each time, and the eggs are oval in shape. However, due to the large changes in temperature and humidity in nature, during artificial breeding, turtle eggs will be collected indoors for artificial incubation as soon as possible, and incubation at room temperature or temperature-controlled incubation should be carried out according to the actual situation to ensure the hatching rate!

The above is the basic science of the Annan turtle. Do you know more about it? Let us refuse to hunt and kill wild animals and better protect them~