ɪɾ ɪz slˈaɪtli lˈɑːɹdʒɚ ðɐn ænd dˈɪfɚz slˈaɪtli ɪn kˈʌlɚ fɹʌm hˈæməltənz fɹˈɑːɡ lˈeɪoʊplmə hˌæmɪltˈoʊni.
It is slightly larger than and differs slightly in colour from Hamilton's frog (Leiopelma hamiltoni).