Fig. 2. Representative images, with streamlines and contours of fluid speed in the fish's frame of reference at the time of maximum gape for a low ram case (A; RS/AFS_aperture=0%), a medium ram case (B; RS/AFS_aperture=6%), and a high ram case (C; RS/AFS_aperture=14%). Note that the streamlines do not indicate the area of water ingested, but rather the instantaneous direction of movement of water at each location in space.