Additionally, many deep-sea fish have eel-like body shapes, which helps make backward swimming possible. The backward-swimming deep-sea fish typically measured between 1 and 2 feet in length and ...
The GhostSwimmer is the newest outcome of this technology, designed to look and swim like a fish. The new gadget, a five feet long and closely 100 pounds, is almost the same size of albacore tuna but ...