ðə θˈɪk ʃˈɛl ˈɔːlsoʊ mˈiːnz ðæt pɹˈɛdəɾɚz sˈʌtʃ ɐz sˈiː tˈɜːɾəlz ɑːɹ ʌnˈeɪbəl tə fˈiːd ɔnðɪ ɪnvˈeɪsɪv spˈiːsiːz, ænd kæn ˈoʊnli fˈiːd ˌɔn lˈoʊkəl wˈɛlk pˌɑːpjʊlˈeɪʃənz.
The thick shell also means that predators such as sea turtles are unable to feed on the invasive species, and can only feed on local whelk populations.