Some of the fish people had scaly skin, large, fish-like eyes, gills and fins. Others had undergone only partial conversion and resembled humans with gills and goggles to protect their eyes. The Atlanteans ate plankton and used fish people to gather it. Sean and Jacko convinced the fish people to go on strike as part of the Second Doctor's rebellion against Professor Zaroff. (TV: The Underwater Menace) A fish person was at Florana when Amy, Rory, and the Eleventh Doctor went there for a summer holiday. (COMIC: Summer Wholiday)