七鳃鳗 Traditional form: 七鰓鰻 Pinyin (reading): qīsāimán Definitions: lamprey (jawless proto-fish of family Petromyzontidae) Characters: 七 - seven 鳃 - fish gills 鳗 - eel Traditional characters: 七 - seven 鰓 - fish gills 鰻 - eel