mˈoʊst ˈʌðɚ spˈiːsiːz ɪnðə fˈæmɪli ɑːɹ ˈɔːlsoʊ ɹˈɛlətˌɪvli smˈɔːl, lˈɛs ðɐn lˈɔŋ, ɔːlðˈoʊ ðə lˈɑːɹdʒɪst, sˈɜːʔn̩ bɹˈækɪhˌɪpəpˌɑːməs, hˌaɪpoʊpˈoʊməs ænd stiːtˈɑːdʒɛniz, ɑːɹ ˈʌp tuː .
Most other species in the family are also relatively small, less than  long, although the largest, certain Brachyhypopomus, Hypopomus and Steatogenys, are up to .