Mean (+ S.E.) difference between thresholds determined under white noise (110 dB and 130 dB) and under quiet laboratory conditions (baseline) of <i>E. maculatus</i>.

<p>Differences in A) SPL and B) PAL. Asterisks above bars indicate significant differences between baseline thresholds and masked conditions according to repeated measures ANOVA and LSD post hoc test (p<0.05). Asterisks above horizontal line indicate significant difference between masked conditions.