A Sensory Bias Has Triggered the Evolution of Egg-Spots in Cichlid Fishes Egger, Bernd ; Klaefiger, Yuri ; Theis, Anya ; Salzburger, Walter Abstract Publication: PLoS ONE Pub Date: October 2011 DOI: 10.1371/journal.pone.0025601 Bibcode: 2011PLoSO...625601E