A short list of the other attempts on bio-inspired underwater robots: * Fish https://seagrant.mit.edu/publications/MITSG_00-4J.pdf https://seagrant.mit.edu/pu

A short list of the other attempts on bio-inspired underwater robots: * Fish https://seagrant.mit.edu/publications/MITSG_00-4J.pdf https://seagrant.mit.edu/publications/MITSG_00-4J.pdf * Octopus https://phys.org/news/2015-04-octopus-inspired-robotthe-fastest-underwater-robot.html https://phys.org/news/2015-04-octopus-inspired-robotthe-fast... * Snake https://eelume.com/ https://eelume.com/ * Jellyfish http://www.emdl.mse.vt.edu/projects/alex.html http://www.emdl.mse.vt.edu/projects/alex.html * Manta Ray https://www.usnews.com/news/news/articles/2017-12-04/singapore-researchers-underwater-robot-inspired-by-manta-ray https://www.usnews.com/news/news/articles/2017-12-04/singapo...