Biology 1st Edition by Jung Choi, Jean DeSaix, Yael Avissar, Vladimir Jurukovski, Robert Wise,Connie Rye, OpenStax

Exercise 17

Two species of fish had recently undergone sympatric speciation. The males of each species had a different coloring through which the females could identify and choose a partner from her own species. After some time, pollution made the lake so cloudy that it was hard for females to distinguish colors. What might take place in this situation?