Figure 1.

Morphology and kinematics of terrestrial feeding in Periophthalmus barbarus. (a) Cut-out section of a scanning 3D-reconstruction illustrates the anatomical elements and their colour codes. Ventral view (b) and lateral view (c) high-speed video frames showing successive stages of feeding, and illustrating the water protruding out of the mouth (light blue contours). X-ray video frames at identical stages are shown in (d), and the outlines of the jaws, hyoid and prey (orange contours) are mapped. (e) Representation of the volumetric ellipse model with the internal volume illustrated by white bars; the flow velocity at 20%, 50% and 80% of the head length are shown by the direction, length and colour of the arrows (see figure 2b for colour legend).