Relationships between fatty acid principal components 2 or 3 (PC2: Panels a, b; PC3: Panel c) and natural log + 1-transformed diet item biomass (mg) of a) microcrustaceans, b) pelagic-derived resources, and c) Chironomidae larvae.

Points and lines represent individual fish and modeled relationships for round goby (black circles, solid black line), spottail shiner (gray boxes, gray line), and yellow perch (white triangles, dashed black line). See Table 6 for significance of slope and interaction terms.