The scientific name of olecranon is flat-breasted turtle. It is a strange-looking freshwater turtle. It is different from other turtles in that it has a big head, a long tail and a hook on its mouth, which is somewhat similar to the olecranon. Flat-breasted turtles are widely distributed, mainly in Jiangsu, Zhejiang, Hunan, Yunnan, Guizhou, Fujian and other places in China, and their ability to adapt to the environment is very strong. It likes to live in the slow-flowing rivers in the mountains. Its food is generally small fish, shrimp and some bugs, which are easy to raise when artificially cultured. But its habits are very fierce and it likes fighting very much, so the number of turtles should not be too large when raising them.

The head of the olecranon is very large and has a triangular shape. Its back shell is a large horny hard shell, and the upper beak of the olecranon has a hook, which is shaped like an olecranon and has very large eyes. Its carapace is tan and the center of the carapace is very flat. Its ventral armor is olive, which is small and flat with horns. Its limbs are gray and scaly, and its hind legs are longer and its outer sides are shorter. Its four toes are half Pu, which is very beneficial to crawling on land and swimming very fast in water. The limbs and head of chickpeas can't shrink into the abdominal armor, which is a special turtle.