Researchers presented the cuttlefish with two options: a case with some shrimp or a case with more shrimp. Each case contained between one and five shrimp, and the cuttlefish always picked the case ...

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As a kid, Sabrina Imbler loved the ocean. They'd swim and snorkel, following around parrotfish in the water. Later, they tried to learn everything they could about these brightly colored tropical fish ...

Cuttlefish, along with other cephalopods like octopus and squid, are masters of disguise, changing their skin color and texture to blend in with their underwater surroundings. Now, in a study ...