The smallest amphibian (and vertebrate) in the world is a frog from New Guinea (Paedophryne amauensis) with a length of just .
ðə smˈɔːlɪst æmfˈɪbiən ænd vˈɜːɾɪbɹˌeɪt ɪnðə wˈɜːld ɪz ɐ fɹˈɑːɡ fɹʌm nˈuː ɡˈɪni pˈiːdəfɹˌaɪn ˌæməˈɛnsɪs wɪð ɐ lˈɛŋθ ʌv dʒˈʌst .