 The Yaqui longfin dace is similar to the Gila longfin dace, but differs slightly in body shape and relative placement of fins, with this form being generally smaller, and less sexually dimorphic, and having longer pre- and postdorsal body lengths.Tuberculation also appears to differ between the two forms.Its silvery gray and olive color pattern is similar to the Gila longfin dace, however the Yaqui longfin dace can sometimes have golden speckles along its body.