This frog lives in fast-flowing streams and internal fertilisation prevents the sperm from being washed away before fertilisation occurs.
ðɪs fɹˈɑːɡ lˈaɪvz ɪn fˈæstflˈoʊɪŋ stɹˈiːmz ænd ɪntˈɜːnəl fˌɜːɾɪləzˈeɪʃən pɹɪvˈɛnts ðə spˈɜːm fɹʌm bˌiːɪŋ wˈɑːʃt ɐwˈeɪ bᵻfˌoːɹ fˌɜːɾɪləzˈeɪʃən əkˈɜːz.