By this time they have undergone metamorphosis, lost their eyes and gills, developed a thicker skin and mouth tentacles, and reabsorbed their teeth.
baɪ ðɪs tˈaɪm ðeɪ hæv ˌʌndɚɡˈɑːn mˌɛɾəmˈoːɹfəsˌɪs, lˈɔst ðɛɹ ˈaɪz ænd ɡˈɪlz, dɪvˈɛləpt ɐ θˈɪkɚ skˈɪn ænd mˈaʊθ tˈɛntəkəlz, ænd ɹˈiːbsoːɹbd ðɛɹ tˈiːθ.