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♦ ¹Feeding habits of four species of mesopelagic fishes from the Northern Chilean, Eduardo Oliva A.1, Raúl Ulloa H.2 & Jorge Bleck Z., Rev. Biol. Trop. (Int. J. Trop. Biol. ISSN-0034-7744) Vol. 54 (2): 613-622, June 2006
♦ ²Diel vertical migration and feeding of Sagitta friderici and Sagitta tasmanica in the southern Benguela upwelling region, with a comment on the structure of the guild of primary carnivores, Mark J. Gibbons, Mar. Ecol. Prog. Ser. 111: 225-240. 1994