A new study shows that the ease with which these fish can develop a biological innovation (complex teeth), not just the innovation itself, enables this rapid evolution. (Photo of Nimbochromis ...

A new study shows that the ease with which these fish can develop a biological innovation (complex teeth), not just the innovation itself, enables this rapid evolution. It’s not what you do ...

A new study shows that the ease with which these fish can develop a biological innovation (complex teeth), not just the innovation itself, enables this rapid evolution.