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Fig. 4. Kinematic plots of jaw and head movements during the feeding strike in
Sparisoma radians and Scarus quoyi. (A) Gape (cm), (B) gape
angle (degrees), (C) jaw protrusion (cm), and (D) cranial elevation (degrees)
vs time for Sparisoma radians (blue squares) and Scarus
quoyi (green circles). Contact with food item occurs at
t0, indicated by broken vertical lines.