eɪˈɑːkəz ˈiːlpaʊts ɑːɹ dˌɪfɚɹˈɛnʃɪˌeɪɾᵻd fɹʌm ɹᵻlˈeɪɾᵻd dʒˈɛnɚɹə baɪ hˌævɪŋ ðə lˈoʊɚ lˈɪp ɐtˈætʃt tə ðə mændˈɪbjʊlɚ sˈɪmfəsˌɪs, ðə nˈɑːstɹəl tˈuːbz duːnˌɑːt ˌoʊvɚlˈæp ðɪ ˌʌpɚ lˈɪp, ænd ðeɪ hæv tˈiːθ ɔnðɪ ˈoːɹəl vˈælv, vˈoʊmɚɹ ænd pˈælɐtˌiːn bˈoʊn.
Aiakas eelpouts are differentiated from related genera by having the lower lip attached to the mandibular symphysis, the nostril tubes do not overlap the upper lip, and they have teeth on the oral valve, vomer and palatine bone.