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Scientists Find Squid Are Covered in Hair-Like Cells Remarkably Similar to The Ones in Human Ears - ScienceAlert

·Oct 10, 2026
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A hatchling squid imaged with light-sheet microscopy, to highlight its hair cells. (Wang et al., Current Biology, 2026)

The skin of a squid, surprisingly, has much in common with an organ inside your ear. As reported in a new study in Current Biology, scientists have found that squid are covered in cells with little hair-like structures, similar to those inside human ears, which detect information carried by passing waves. For humans, these little hairs help us to interpret sound waves from a melody or a voice, or the honk of an impatient driver. For squid, it's all the little details carried in water movement: the twitch of nearby prey, the rumble of a distant shore, the pull of a current. Until now, scientists had no idea that squid were totally studded with these hair cells – and the discovery may be able to tell us something about our own hearing equipment. Hair bundles on the surface of the squid, and their neuronal connectivity. (Wang et al., Current Biology, 2026)Brian McDermott from Case Western Reserve University is an otolaryngologist – a scientist who studies inner ears, noses, and throats.

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