ðə hˈɪlstɹiːm lˈoʊtʃᵻz fˈæmɪli bˈælɪtˌoːɹɪdˌiː hæv mˈɑːdᵻfˌaɪd fˈɪnz tʊ ɐtˈætʃ ðɛmsˈɛlvz tʊ ɐ sˈɜːfɪs ænd ɐ vˈɛntɹəli loʊkˈeɪɾᵻd mˈaʊθ.
The Hillstream loaches (family Balitoridae) have modified fins to attach themselves to a surface and a ventrally located mouth.