Click through to see the images. The newly published research paper in the Proceedings of the Royal Society B contrasted two non-exclusive hypotheses (meaning they are not opposing hypotheses and both could be true) for the red fluorescence around reef fishes' eyes: That UV absorption by fluorescent pigments offers significant photoprotection in shallow water, where UV irradiance is strongest (ie. converting harmful UV light to harmless red light) That red fluorescence enhances visual contrast at depths below Leer Artículo completo...