Sepia apama eat crustaceans and fish and have many predatorrs including: fur seals, sea lions, albatross, dolphins and sharks.
Battam, H. and W. A. Buttemer. 2000. Some aspects of energy assimilation and use in four southern albatrosses. Marine Ornithology 28.
Gales, R., D. Pemberton, C. C. Lu, and M. R. Clarke. 1993. Cephalopod diet of the Australian fur seal - variation due to location, season and sample type. Australian Journal of Marine and Freshwater Research 44: 657-671.
McIntosh, R. R., B. Page, and S. D. Goldsworthy. 2006. Dietary analysis of regurgitates and stomach samples from free-living Australian sea lions. Wildl Res 33: 661-669.
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