Xenopus laevis tadpoles prefer swimming on the white side of a black/white tank. This behavior is guided by their vision. Based on this behavior, we present a simple assay to test the visual function of tadpoles.
Viczian, A. S., Zuber, M. E. A Simple Behavioral Assay for Testing Visual Function in Xenopus laevis. J. Vis. Exp. (88), e51726, doi:10.3791/51726 (2014).