Scale-eating cichlids: from hand(ed) to mouth.
Two recent studies in BMC Biology and Evolution raise important questions about a textbook case of frequency-dependent selection in scale-eating cichlid fishes. They also suggest a fascinating new line of research testing the effects of handed behavior on morphological asymmetry.
Palmer
A Richard
AR
Systematics and Evolution Group, Department of Biological Sciences, University of Alberta, Edmonton, AB T6G2E9, Canada. rich.palmer@ualberta.ca
D000818:Animals; D019521:Body Patterning / Q000235:genetics; D023681:Cichlids / Q000033:anatomy & histology / Q000235:genetics / Q000502:physiology*; D005247:Feeding Behavior; D007839:Functional Laterality; D005819:Genetic Markers; D011110:Polymorphism, Genetic
D005819:Genetic Markers