Cuttlefish Supplement 2 (VIDEO) Duke University This video is under embargo. Please login to access this video. To view this video please enable JavaScript, and consider upgrading to a web browser that supports HTML5 video Caption Calm, resting cuttlefish were exposed to silhouettes of looming crab, fish, and shark. The animals performed a freeze response for 80 percent of the generalized fish and shark stimuli, but the non-threatening crab didn't elicit response. Cuttlefish frequently covered their siphons with their arms in response to fish and shark stimuli, but rarely in response to crabs. Credit Christine Bedore, Duke University Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.