Razor tortoise is a common deep-water egg tortoise. Its carapace can reach 17 cm, and it stands high in the middle of its back. This turtle likes to live in a small river with slow water flow, and needs to bask in the sun during its growth. It has a miscellaneous diet, and can eat insects, crustaceans, snails, clams and amphibians, as well as aquatic plants.

Musk turtle belongs to a small turtle, with a length of about 8-14 cm and a bulging back, which is suitable for living in water. It can be found in ponds, rivers, lakes and other waters. It usually inhabits shallow water areas, and its feeding habits are partial to animals. It likes to eat small fish and shrimp.

White-lipped mud turtle is a kind of egg turtle which is widely distributed, so there are many varieties and different sizes and patterns. This kind of turtle is nocturnal, so it will come out at night and eat fruits, petals, seeds, insects, spiders, snails, etc. Because it is a water turtle, it needs to be in water to eat.

Red-faced egg turtle, also known as red-faced mud turtle, is native to Central and South America and belongs to a rare ornamental turtle species. It is small in size, red in head, fierce in character, and has a large bite force. It lives in water all the year round and rarely goes ashore. It has the habit of sleeping in summer and generally does not hibernate.

Salvin Dome belongs to giant musk turtles, mainly distributed in Central America. Its carapace is oval with longitudinal vertebrae for three days, which will fade when it grows up. As a carnivorous animal, it mostly eats aquatic insects and other invertebrates, and can also eat mollusks and small fish.