Mantis shrimp
A marine crustacean of the order Stomatopoda, known for powerful raptorial appendages that smash or spear prey and for compound eyes with many color receptors.
Humans see three colors; the mantis shrimp sees 16. Most mammals see only two, having lost color receptors during the dinosaur era as nocturnal creatures. Primates alone regained a third through a mutation that helped spot ripe fruit among leaves.
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