© J. SPARKS, D. GRUBER, V. PIERIBONE(See D.F. Gruber et al., “Biofluorescence in catsharks (Scyliorhinidae): Fundamental description and relevance for elasmobranch visual ecology,” Scientific Reports, 2016.)
Image of the Day: Glowing Skin
The chain catshark (Scyliorhinus rotifer) can adjust the contrast in its biofluorescence patterning, potentially aiding communication with other members of its species.

