From National Geographic:
Octopus vs. Sea Lion—First Ever Video
New National Geographic Crittercam footage shows never before seen eating habits of the Australian sea lion—including video of a sea lion hunting a large octopus. The footage is from a project intended to help save the endangered sea lions, in part by uncovering where and how the animals eat.
See also here.
New research is shedding light on the preferred habitat of the northern squid, Gonatus fabricii – a key but often overlooked species in Arctic marine food webs: here.