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Figure 7


Fig. 7. Results (factor scores) from a principal components analysis (PCA) using nine locomotor variables from bluegill sunfish (red circles) and largemouth bass (blue squares). The parentheses located at each axis indicate the variables in which loadings were >0.5. The negative signs indicate a negative loading. Note that largemouth bass and bluegill differed significantly with respect to PC 1 but not PC 2. PC 1 and PC 2 explained 33.6% and 20.8% of the total variance, respectively. See Table 3 for component loadings. Pecmax=maximum angle of the pectoral fin; Analmax=maximum angle of the anal fin; Caudmax=maximum angle of the caudal fin; BAz=angle of the body in the z-axis 60 ms after maximum gape; VMG=swimming velocity at maximum gape; tPec,max=time of maximum pectoral fin angle; Decavg=magnitude of deceleration averaged over the last 60 ms of prey capture.





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