Gene duplication and differential gene expression play an important role in the diversification of visual pigments in fish

A Fish Eye Out of Water: Ten Visual Opsins in the Four-Eyed Fish, Anableps anableps

(2009) Gregory L. Owens et al.   PLoS One

Potential of fish opsin gene duplications to evolve new adaptive functions

(2009) Jun Gojobori et al.   TRENDS IN GENETICS

The molecular basis of color vision in colorful fish: Four Long Wave-Sensitive (LWS) opsins in guppies (Poecilia reticulata) are defined by amino acid substitutions at key functional sites

(2008) Matthew N Ward et al.   BMC EVOLUTIONARY BIOLOGY

The influence of ontogeny and light environment on the expression of visual pigment opsins in the retina of the black bream, Acanthopagrus butcheri

(2008) J. Shand et al.   JOURNAL OF EXPERIMENTAL BIOLOGY

Speciation through sensory drive in cichlid fish

(2008) Ole Seehausen et al.   NATURE

Evolution of vertebrate visual pigments

(2008) James K. Bowmaker   VISION RESEARCH