Bionic cuttlefish

The utility model relates to the technical field of underwater robots, and discloses a bionic cuttlefish, which comprises a head part, a connecting part and a tail part, the head part comprises a head part shell, a bracket is fixedly arranged in the head part shell, the head part comprises two steering power devices, the internal structures of the two steering power devices are completely the same, and the connecting part is connected with the tail part. The two steering power devices each comprise two connecting shafts, the two connecting shafts are movably connected to the two ends of the support in an inserted mode respectively, and six eccentric shafts are arranged between the two connecting shafts. According to the bionic cuttlefish, the two steering power devices are arranged, the problem that a traditional bionic cuttlefish cannot simulate sine actions of squid fins can be solved, the problems that the traditional bionic cuttlefish is low in propelling efficiency and low in speed can be solved through