Phenomena

A Look at Hagfish

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Hagfish are the lords of slime. Their viscoelastic protection mechanism is so effective that they’ve hardly changed up their game in the past 300 million years. Instead, at the first sign of trouble, they release a mucus that rapidly expands in salt water. When attacking fish try to pull water into their gills, they get clogged with slime instead, sometimes suffocating and becoming the hagfish’s meal instead. To get out of their slime, hagfish knot themselves and wipe it away, thanks to its shear-thinning properties. (Image and video credit: Deep Look)

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