Chinese scientists have developed a robot that can operate under extreme high pressure in the Mariana Trench, the world’s deepest ocean trench. The robot successfully completed field tests. It was reported that Chinese scientists developed a small robot that can operate under pressure in the Mariana Trench. Researchers led by Beihang University faculty members designed a 50-centimeter-long robot with swimming, gliding, and crawling capabilities inspired by the movement patterns of batfish. The robot was reported to reach a maximum speed of 5.5 centimeters per second by utilizing thrust from its tail fin while swimming, and to move at a speed of 3 centimeters per second on sandy surfaces using its limbs for crawling. Wen Li from Beihang University stated that this compact robot type, which is mounted on China’s manned submersibles, successfully completed field tests in the Mariana Trench and other deep sea locations, and was safely retrieved. The team aims to enhance the durability and efficiency of the deep sea robot for use in areas such as the development of marine resources, archaeology, and environmental monitoring.