Members of several salamander families have become paedomorphic and either fail to complete their metamorphosis or retain some larval characteristics as adults.
mˈɛmbɚz ʌv sˈɛvɹəl sˈælɐmˌændɚ fˈæmɪliz hæv bɪkˌʌm pˌiːdəmˈoːɹfɪk ænd ˈiːðɚ fˈeɪl tə kəmplˈiːt ðɛɹ mˌɛɾəmˈoːɹfəsˌɪs ɔːɹ ɹᵻtˈeɪn sˌʌm lˈɑːɹvəl kˌæɹɪktɚɹˈɪstɪks æz ɐdˈʌlts.