sea slug, nudibranch
['echidna, spiny anteater, anteater', 'acorn squash', 'thunder snake, worm snake, Carphophis amoenus', 'pick, plectrum, plectron', 'colobus, colobus monkey', 'vine snake', 'horned viper, cerastes, sand viper, horned asp, Cerastes cornutus']