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Fig. 4

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Graphical representation for the Relationship between prey-specific abundance (Pi), expressed as weight, and frequency of occurrence (%F) of prey items in the diet of yellowfin tuna (Thunnus albacares), in the Bay of Bengal. The graph was developed in this study by using the Amundsen graphical method. Each dot represents a different prey species. The diagonal axes represent the importance of prey and the contribution to the niche width and the vertical axis defines the predator feeding strategy. Where, STH − Sthenoteuthis oualaniensis, CHS − Charybdis smithii, SH − Solenocera hexti, DM − Decapterus macrosoma, HIC − Hirundichthys coromandelensis, ARG − Argonauta hians, SQL − Squilloides leptosquilla, CUB − Cubiceps pauciradiatus, PH − Priacanthus hamrur, CEPH − Cephalopoda unid., BRACH − Brachyuran megalopa, HIS − Histioteuthis sp., and TELEOST − Teleostea unid.

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