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Giant sea spiders sit and wait for prey to knock themselves out

By Joshua Rapp Learn

2 May 2018

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Slow but deadly

Timothy R. Dwyer (PolarTREC 2016), Courtesy of ARCUS

Giant sea spiders can only move at glacial speeds, but they are still deadly predators that can catch prey much faster than them.

Sea spiders are found throughout the ocean. Despite their name, they are not true spiders but belong to .

Many sea spiders are 鈥渟tealth vampires鈥, says at the University of Hawai鈥榠 at M膩noa. They creep around the seabed in search of immobile prey, like anemones or corals. Once a sea spider stumbles on a victim, it punches small holes in…

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