This extreme close-up of the comb plates of a bolinopsid comb jelly shows well just how the plates of fused cilia refract incoming white light into their spectral components that constantly change as the plates are wafted back and forth, displaying every colour of the rainbow.
Lizard Island, Australia (2004)
Nikon F4 | Micro Nikkor 105mm f2.8 | Fuji Velvia