Watch a sea cucumber deter a crab with a silky, stringlike substance | Science News

Описание: When startled, some sea cucumbers shoot a silky substance from their rear ends. Analyzing the genome of the black sea cucumber (Holothuria leucospilota), seen in this video, is revealing how the tangle of tubules, called the Cuvierian organ, works as a defense against predators like crabs.
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Video: T. Chen et al/PNAS 2023