Variable Season Lake Season*Lake
Brain mass (continuous) P < 0.001 P < 0.001 P = 0.180
F5,128 = 13.7 F1,127 = 0.86 F5,120=1.55
Brain mass (combined) P = 0.003 P < 0.001 P = 0.32
F3,130 = 5.00 F1,129 = 97.73 F3,127 = 1.26
Telencephalon volume P < 0.001 P < 0.001 P = 0.311
F3, 130 = 8.80 F1, 129 = 17.2 F3, 124 = 1.2
Cerebellum volume P < 0.001 P < 0.001 P = 0.850
F3, 130 = 10.5 F1, 129 = 99.9 F3, 124= 0.27
Optic tectum volume P = 0.017 P > 0.001 P = 0.785
F3, 130 = 3.55 F1, 129 = 76.1 F3, 124 = 0.36
Olfactory bulb volume P > 0.001 P = 0.001 P = 0.619
F3, 130 = 6.09 F1, 129 = 10.8 F3, 124= 0.600
Hypothalamus volume P = 0.007 P > 0.001 P = 0.715
F3, 130 = 4.17 F1, 129 = 85.8 F3, 124 = 0.45