ðə lˈɪps, təɡˌɛðɚ wɪð tˈɛntəkəlz, ænd wɪð mˈɪnɪt spˈaɪnz ɔnðə fˈɪn ɹˈeɪz, ɛnˈeɪbəl ðə fˈɪʃ tə ɡɹˈɪp sˈɑːlɪd sˈɜːfɪsᵻz, sˌoʊ ðeɪ kæn hˈoʊld ˌɔn ɪn fˈæstmˈuːvɪŋ stɹˈiːmz.
The lips, together with tentacles, and with minute spines on the fin rays, enable the fish to grip solid surfaces, so they can hold on in fast-moving streams.