Costello graph. Prey-specific abundance vs. frequency of occurrence the diet of perch (Perca fluviatilis) and roach (Rutilus rutilus) collected in 2011 and 2012 from Bovan Reservoir, Serbia. (A) perch spring 2011, (B) roach spring 2011, (C) perch autumn 2011, (D) roach autumn 2011, (E) perch spring 2012, (F) roach spring 2012, (G) perch autumn 2012, (H) roach autumn 2012. Rare preys are encircled.

 
 
  Part of: Radenković M, Piperac MS, Milošković A, Kojadinović N, Đuretanović S, Veličković T, Jakovljević M, Nikolić M, Simić V (2022) Diet seasonality and food overlap of Perca fluviatilis (Actinopterygii: Perciformes: Percidae) and Rutilus rutilus (Actinopterygii: Cypriniformes: Cyprinidae) juveniles: A case study on Bovan Reservoir, Serbia. Acta Ichthyologica et Piscatoria 52(1): 77-90. https://doi.org/10.3897/aiep.52.78215