Piscivory
consume fishes
Planktivores
Plankton on rakers
Benthivore
Aquatic micro and macro invertebrates
Others
Herbivory, frugivory, insectivory
Optimal Prey Size
10% to body length
Maximum diameter of prey averages 59% of maximum gape of predator
Head and Jaw Shape
Result of phenotypic plasticity
Dependent on food types
Daily food consumption
Based on surrounding water temperature
Dcal: 15.116w^0.767e^0.138*T