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Tag: marine biology

Cuttlefish Turn Nearly Invisible To Sharks When They Hold Their Breath

When you’re as soft and delicious as a cuttlefish, evading predators is a full-time job. Not only do these squid-like creatures employ stealthy visual camouflage when a predator looms nearby, new research shows they also manage to cloak their electrical fields. One of the cuttlefish’s major predators, the shark, has eyes on the side of […]

Boom In Armored Plankton Puzzles Scientists

A microscopic marine alga is thriving in the North Atlantic to an extent that defies scientific predictions, suggesting swift environmental change as a result of carbon dioxide absorbed by the ocean. The meaning of these findings remains to be seen—as does whether the rapid growth in the tiny floating phytoplankton’s population is good or bad […]

Skin Lets These Fish Do A Vanishing Act

Scientists have solved a longstanding mystery about how some fish can seem to disappear from predators. The discovery could help materials scientists and military technologists create more effective methods of ocean camouflage. The fish use microscopic structures called platelets in their skin cells to reflect polarized light. This kind of light is made up of […]