Deep-sea fishes’ eye chemistry might let them see colors in near darkness

Proteins found in eye rod cells suggest deep-sea sight may be more than just shades of gray

tube-eye fish

I SPY  Eye proteins surprisingly found in some deep-sea fishes such as the tube-eye fish (shown) raise the possibility that the animals can see color in the ocean’s dark depths.

©Solvin Zankl/naturepl.com

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