Authors: K Muramatsu J Yamamoto T Abe K Sekiguchi N Hoshi Y Sakurai
Publish Date: 2013/02/05
Volume: 160, Issue: 5, Pages: 1171-1175
Abstract
Using powerful jet propulsion some squid species are able to exit the water and become airborne this is a common behavior seen throughout the world’s oceans However direct scientific observation is rare with most studies relying on anecdotal evidence and limited photographic documentation Here we examine the flying behavior of young oceanic squid Ommastrephidae observed in sequential photographs taken in the Northwest Pacific 35o340′N 146o193′E on July 25 2011 We define four phases in the flight process launching jetting gliding and diving During flight squid actively change their aerial posture and attitude depending on the flight phase and their distance from the water The present study demonstrated that flight of squid is not simple gliding after incidental exit from the water but involves jet propulsion generation of lift force and control of different body postures in different flight phases which have evolved to enhance escape from predators
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