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A set of special eyes, similar to our own, keeps venomous box jellyfish from bumping into obstacles as they swim across the ocean floor, a new study finds.
One of these eyes is located on the top of the cup-like structure, the other on the bottom, which provides the jellyfish with “an extreme fish-eye view, so it’s watching almost the entire underwater world,” said Garm, who will present his research at the Society of Experimental Biology’s annual meeting, in Scotland.
Because jellyfish belong to one of the first groups of animals to evolve eyes (the phylum Cnidaria), Garm said, understanding how their eyes operate will show scientists what eyes were like early in evolutionary time