Squid-Like Cuttlefish Go 'Stealth' To Evade Predators | Video

When shown silhouettes of their predators, they 'cloak their elecrical fields' by lying motionless, coving body opening and slowing their breathing. This effectively drops the bio-electrical output that draws predators towards them. A silhouette of a 'non-threatening crab' did not produce a response.

credit : Christine Bedore, Duke University