The Losey Lab: Research


Fistularia commersonii, a predatory reef fish, is very well camoflauged in the visible and near-UV portions of the spectrum (some of its prey, such as damselfishes, can see in the near UV). This is apparent in the frames shown below, taken from video shot with a series of different interference filters (wavelength stated +/- 10 nm half-bandwidth). Seen with a 340-nm notch filter, however, at wavelengths of light below those which most reef fish (including UV-sensitive species) can see, this fish stands out clearly against the background space-light.

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