hˈɛmɪˌɑːdɔntˌɪdz hæv ɐ stɹˈiːmlaɪnd bˈɑːdi ʃˈeɪp; mˈɛni ɑːɹ fˈæstswˈɪmɪŋ, ænd ɑːɹ ˈeɪbəl tə lˈiːp ˌaʊɾəv ðə wˈɔːɾɚ tʊ ɛskˈeɪp pɹˈɛdəɾɚz.
Hemiodontids have a streamlined body shape; many are fast-swimming, and are able to leap out of the water to escape predators.