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Fig. 4. Fish with a blocked lateral line have a lower maximum body curvature than
fish with an intact lateral line. The x axis (from left to right):
experiments in the light with lateral line intact for the first day of
cylinder exposure (V+L+1); the same experiments with fish exposed
to the cylinder on two consecutive days (V+L+2, see Materials and
methods); experiments in the dark (gray fill) with lateral line intact on the
first day (V–L+1); experiments in the light with lateral line
blocked on the second day (red box, V+L–2); and experiments
in the dark with lateral line blocked on the second day (gray fill and red
box, V–L–2). Gray lines connect treatments that are
significant at P<0.05. Values for control fish that were exposed
to the cylinder for one (V+L+1) and two consecutive days
(V+L+2) are statistically the same, illustrating that fish do not
alter swimming kinematics as a result of previous exposure to the experimental
setup. All values reported are mean ± s.e.m., N=16 tail-beats
for four fish, where L is the total length of the fish.
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