(Downloading may take up to 30 seconds.
If the slide opens in your browser, select File -> Save As to save it.)
Click on image to view larger version.

Fig. 1. The coordinate system and notation used to describe the kinematics and the
wake of the fish. Two counter-rotating circles represent a pair of vortices.
The bold arrow indicates the jet flow. The dotted line indicates the body axis
of the carp at the onset of a turn. The broken lines are auxiliary lines. See
text for more details and List of symbols and abbreviations for
definitions.