Raninidae Xu Crab? Ranina arthropod

What is the picture below? Xu crab? Ranina ranina ? , commonly known as wrench crab, sea bug, shrimp head, frog crab, Garfield crab, backward lulu.

The body color is orange, and the claws are huge and flat. The body is divided into two parts: a big main shell and a small tail shell. * * * There are 5 pairs of feet, which are 1 pair of front claws and 4 pairs of paddle-like feet. The gait evolved into a paddle shape to facilitate its excavation or swimming in the water. Mainly distributed in the sandy bottom of the ocean. Walking backwards in the direction of the tail shell, so it is also called "backward lulu" The female crab has a large tail shell, while the male crab has a small tail shell.

It is distributed in Japan, the eastern part of Australia, Sri Lanka, East and South Africa, Taiwan Province Island, Guangxi and Guangdong in Chinese mainland and other places. The living environment is seawater, and it often lives on the sand bottom at a depth of 10~50 meters. Its survival altitude ranges from -50 to-10 meter. Its meat is full and delicious, and it is a common banquet seafood ingredient in Taiwan Province.