From inside the freshwater cichlids of genus Amphilophus, a good “nuchal temple hump” is actually exaggerated into the breeding year
Like, hypertrophied eyestalks features independently advanced in several fly family members (Lande and Wilkinson, 1999), for the vision course of men exceeding its overall system length (Wilkinson and Dodson, 1997). Within the species having strong sexual dimorphism, guys with deeper eye span be much more appealing to lady for the spite to the fact that brand new overstated function minimizes traveling results inside the men (Wilkinson and you may Dodson, 1997; Lande and you can Wilkinson, 1999; Swallow ainsi que al.