Table 1.

Results of linear regressions from morphological measurements of the left and right Batrachomoeus trispinosus swimbladders

Swimbladder measurement	R2 overall	d.f.	F	P	R2 male	R2 female
Length
Left	0.88	26	185.54	P<0.0001	0.90	0.74
Right	0.89	24	179.77	P<0.0001	0.90	0.81
Width
Left	0.77	26	81.53	P<0.0001	0.80	0.34
Right	0.83	24	109.77	P<0.0001	0.88	0.69