Table 3. Comparison of the acoustic features of submissive sounds between individuals of the same social rank but from different groups of Amphiprion frenatus.

Acoustic variables	Social rank	H	p-value
Dominant frequency (Hz)	2	108.4	<0.0001
	3	42.11	<0.0001
	4	49.54	<0.0001
Pulse duration (ms)	2	79.16	<0.0001
	3	37.72	<0.0001
	4	139.0	<0.0001
Pulse period (ms)	2	121.5	<0.0001
	3	35.13	<0.0001
	4	64.19	<0.0001
Sound duration (ms)	2	6.418	0.0404
	3	15.18	0.0005
	4	10.27	0.0059
Sound period (ms)	2	9.995	0.0068
	3	22.80	<0.0001
	4	12.31	0.0021

H values are the result of the Kruskal-Wallis test (df = 2, n = 300). n, number of pulses analyzed.