How Fish Get Away With Being Colorful

Coral reef fish get away with being colorful thanks to a weird quirk of underwater optics.

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- Visual resolution: the ability to see fine spatial detail

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CREDITS
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Kate Yoshida | Script Writer, Narrator and Director
Arcadi Garcia i Rius | Illustration, Video Editing and Animation
Nathaniel Schroeder | Music

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REFERENCES
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Caves, E. M., & Johnsen, S. (2021). The sensory impacts of climate change: bathymetric shifts and visually mediated interactions in aquatic species. Proceedings of the Royal Society B, 288(1949), 20210396. https://doi.org/10.1098/rspb.2021.0396

Hodge, J. R., Santini, F., & Wainwright, P. C. (2020). Colour dimorphism in labrid fishes as an adaptation to life on coral reefs. Proceedings of the Royal Society B, 287(1923), 20200167. https://doi.org/10.1098/rspb.2020.0167

Marshall, J.N. (2000). Communication and camouflage with the same ‘bright’ colours in reef fishes. Philosophical Transactions of the Royal Society of London. Series B: Biological Sciences, 355(1401), 1243-1248. https://doi.org/10.1098/rstb.2000.0676

Marshall, J. (2017). Vision and lack of vision in the ocean. Current Biology, 27(11), R494-R502. https://doi.org/10.1016/j.cub.2017.03...

Marshall, N. J., Cortesi, F., de Busserolles, F., Siebeck, U. E., & Cheney, K. L. (2019). Colours and colour vision in reef fishes: Past, present and future research directions. Journal of Fish Biology, 95(1), 5-38. https://doi.org/10.1111/jfb.13849

Wilkins, L., Marshall, N. J., Johnsen, S., & Osorio, D. (2016). Modelling colour constancy in fish: implications for vision and signalling in water. Journal of Experimental Biology, 219(12), 1884-1892. https://doi.org/10.1242/jeb.139147