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Fig. 9. AEBR thresholds in larval fish of different ages shown as SPL (top) and
acceleration (bottom). The mean ± S.D. for the 526
dpf fish is plotted as thick black lines. An experiment for a group of animals
consisted of two sets of trials (see Materials and methods). Therefore, each
group has two plotted curves using the same symbols but connected with
different lines (solid for trial set 1, and dashed for trial set 2). Two
different groups of 5 dpf fish were tested, so 5 dpf appears twice (with
different symbols).