Fiddler crab's eyes inspire researchers to develop amphibious artificial vision
The ellipsoidal and stalk-eye structures of the crabs enable them to see in three dimensions and in all directions. To protect themselves from attacks on wide-open tidal flats and to interact and communicate with their mates, they have evolved to gaze at practically everything at once.
https://interestingengineering.com/science/fiddler-crabs-eyes-amphibious-artificial-vision
