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Red-sensitive pigments in mantis shrimp eyes act as reversible light switches

Source: Phys.org · Oct 17, 2026 13:00 UTC

Joshua trees in the Mojave National Preserve under a blue sky — File photo Carol M. Highsmith / Library of Congress · Public domain · Source

The Quick Take

With about 30 visual pigments, compared to just three in humans, mantis shrimp possess a visual system that remains a mystery. Researchers from ULiège and Humboldt University in Berlin have, for the first time, analyzed these pigments one by one and discovered that some detect red light that very few animals can perceive. This finding, published in Science Advances, has potential applications in o

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