Model number Response variable Explanatory variable Sample size
1. TerPrey Competition + log(FL) + (sex) +benthodAbund + benthosMass A = 83; S = 83
2. Total lipids rTerPrey + Competition + Sex + log(FL) AF = 24; AM = 19; SF = 21; SM = 22
3. ALA rTerPrey * Competition + Sex + log(FL) ||
4. EPA rTerPrey + Competition + Sex + log(FL) ||
5. DHA rTerPrey * Competition + Sex + log(FL) ||
6. BrainVol rDHA + Competition + Sex+ log(FL) AF = 24; AM = 18; SF = 22; SM = 22
7. BrainPC1 rDHA + Competition + Sex + log(FL) ||
8. BrainPC2 rDHA + Competition + Sex+ log(FL) ||
9. BrainVol rTotal lipids + Competition + Sex+ log(FL) ||
10. BrainPC1 rTotal lipids + Competition + Sex+ log(FL) ||
11. BrainPC2 rTotal lipids + Competition + Sex+ log(FL) ||
12. ALA macroinvert Subsidy type + sampling site N = 5 for each subsidy type per sampling site
13. EPA macroinvert Subsidy type + sampling site ||
14. Total lipids macroinvert Subsidy type + sampling site ||
TerPrey – reliance on terrestrial prey; FL – fork length; BrainVol – brain volume; BrainPC1 – 1st principal component summarizing brain morphology; BrainPC2 – 2nd principal component summarizing brain morphology; r – residuals corrected for fork length; macroinvert – macroinvertebrates; A – allopatric, S – sympatric, AF – allopatric female, AM – allopatric male, SF – sympatric female, SM – sympatric male;