The pelagic veliger larvae (a larval form common to various marine and fresh-water gastropod and bivalve mollusks) then hatch, persisting in the water column for 14 to 80 days and feeding primarily on plankton.
ðə pɛlˈædʒɪk vˈɛlɪdʒɚ lˈɑːɹviː ɐ lˈɑːɹvəl fˈɔːɹm kˈɑːmən tə vˈɛɹiəs mɚɹˈiːn ænd fɹˈɛʃwˈɔːɾɚ ɡˈæstɹəpˌɑːd ænd baɪvˈælv mˈɑːlʌsks ðˈɛn hˈætʃ, pɚsˈɪstɪŋ ɪnðə wˈɔːɾɚ kˈɑːlʌm fɔːɹ fˈoːɹtiːn tʊ ˈeɪɾi dˈeɪz ænd fˈiːdɪŋ pɹaɪmˈɛɹᵻli ˌɔn plˈæŋktən.