Frontiers in Zoology

Table 3 Principal characteristics of female sounds from Ophidion rochei

From: Sexual dimorphism of sonic apparatus and extreme intersexual variation of sounds in Ophidion rochei (Ophidiidae): first evidence of a tight relationship between morphology and sound characteristics in Ophidiidae

		N	Mean	SD
Pulse number	Capt.	56	5	3
Pulse number	Field	20	6	3
Call duration (ms)	Capt.	56	18	11
Call duration (ms)	Field	20	20	10
Pulse period (ms)	Capt.	249	4,0	1,2
Pulse period (ms)	Field	105	3.7	0.7
Pulse dur. (ms)	Capt.	310	0.7	0.2
Pulse dur. (ms)	Field	121	0.8	0.4
Fundamental (Hz)	Capt.	50	246	28
Fundamental (Hz)	Field	18	249	23
1 ^st harmonic (Hz)	Capt.	57	506	83
1 ^st harmonic (Hz)	Field	19	494	45
2 ^nd harmonic (Hz)	Capt.	58	779	114
2 ^nd harmonic (Hz)	Field	19	763	81

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ISSN: 1742-9994

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