Daytime Dining On Squid: An Oceanography Lesson
Friday, December 24, 2010 - 12:20
in Earth & Climate
Blue sharks in the Gulf Stream, in the western Atlantic, probably spend all day eating squid. At first, that doesn't seem remarkable. Every big predator likes to eat squid, and sharks are no exception. And there are plenty of squid in the Gulf Stream, particularly Illex illecebrosus, which could arguably be referred to as the Humboldt squid of the western Atlantic. Illex illecebrosus and Dosidicus gigas are in the same family of large, muscular oceanic squid--Ommastrephidae--and they exhibit similar daily vertical migrations. read more