Limited visibility and color distinction are the advantages that help mantis shrimp save energy when living in a world full of competition in coral reefs.

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Mantis shrimp , also known as hammerhead shrimp, is a marine crustacean, belonging to the Stomatopoda family .

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According to scientists, the eyes of mantis shrimp have a special structure that makes them unique.Although there is a light stimulating body, mantis shrimp cannot distinguish the same colors.

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Unlike the human eye, which consists of three types of light receptors to send signals to the brain and compare and distinguish colors, the mantis shrimp's eyes only create a color-sensing model.Therefore, they are unable to distinguish colors from each other, and cannot even distinguish between bright yellow and dark gold.

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The one-color vision of plastic shrimp helps them to save energy when living in a competitive world in coral reefs.In the picture are the outstanding eyes of Odontodactylus cultrifer mantis shrimp .

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Eyes of mantis shrimp Raoulserenea komai.For mantis shrimp, the eyes are the body that processes visual information, not the brain.

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Mantis shrimp is an aggressive predator.The more powerful weapons of the mantis shrimp, help them catch prey with the same speed as a bullet.With a tougher, larger body and a quick blow, the mantis shrimp are scary assassins in the ocean.