Fig. 2 in Diet shift of Red Belly Pacu Piaractus brachypomus (Cuvier, 1818) (Characiformes: Serrasalmidae), a Neotropical fish, in the Sepik-Ramu River Basin, Papua New Guinea

Fig. 2. Comparison of the relative contribution of food categories to the diet (% volume) of Piaractus brachypomus of introduced (Sepik River) and natural populations (Colombia: Tarapoto Lake and Caquetá River; Brazil: Tocantins River and Tucuruí Reservoir; Venezuela: Caura River). Food items included in each category are listed in Table 1. Category "Other" includes: mammals, arthropods, plant material of unknown origin, and debris (Sepik); detritus (Tarapoto); gravel (Caquetá FW). Abbreviations: FW, falling water season, LW, low water season; RW, rising water season; DS, downstream from reservoir; RS, reservoir.