Fig. 5. Relative timing of kinematic events and peak fluid speeds for bluegill (top) and bass (bottom). To account for variation in absolute speed of the event, all times are shown normalized to TTPG. Because of the definition of TTPG used (see Materials and methods), the kinematic events of 20% PG and 95% PG are necessarily located at 0 and 1, respectively. All other symbols and error bars show the mean ± s.e.m. for all feedings analyzed. Note that peak fluid speed occurs at approximately the same time as 95% mouth opening for bluegill, but slightly after 95% opening for bass. Events that have some duration (duration of gape and prey entering) are represented as filled bars with error bars to show the s.e.m. for the start and finish of these events. The three values of the time of peak fluid speed (FS) represent three locations in front of the mouth of the fish relative to peak gape (PG). The data for bluegill are from Day et al. (Day et al., 2005).