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Table 2.

Summary of spectral sound characteristics from field recordings of Abudefduf abdominalis

Sound typePeak frequency 1 (Hz)Peak frequency 2 (Hz)Peak frequency 3 (Hz)10 dB bandwidth min. (Hz)10 dB bandwidth max. (Hz)
Courtship–female-visit      
   Pulse type A 130±20 (314) [125,125,125] 246±47 (841) [219,250,281] 343±63 (50) [343,343,375] 90±26 (841) [63,94,94] 361±53 (841) [343,375,406] 
   Pulse type B 123±13 (324) [125,125,125] 243±25 (324) [219,250,250] 355±27 (316) [343,343,375] 93±42 (324) [63,94,94] 375±46 (324) [375,375,406] 
Nest preparation 115±34 (24) [87,125,125] 280±49 (237) [250,281,313] 375±45 (4) [343,359,407] 149±63 (237) [94,156,188] 385±64 (237) [344,375,432] 
Aggressive (>2 pulses) 116±30 (78) [125,125,125] 249±54 (193) [219,250,281] 346±28 (32) [321,343,360] 114±44 (193) [94,94,125] 374±88 (193) [313,390,438] 
Aggressive (1–2 pulses) 133±32 (11) [101.8,148,156] 239±67 (42) [219,250,281] 400±90 (7) [321.8,406,437] 109±45 (42) [63,94,125] 388±91 (42) [313,375,437] 
Male looping 125±0 (5) [125,125,125] 261±61 (12) [188,281,313] 271±18 (3) [258,281,281] 123±47 (12) [94,94,125] 375±65 (12) [328,375,437] 
Female in nest 172±54 (4) [125,172,219] 221±65 (26) [188,219,219] 446±90 (15) [406,437,437] 123±30 (26) [125,125,125] 338±82 (26) [281,313,437] 
Male–female interaction (out of nest) 188±0 (3) [188,188,188] 240±60 (12) [219,219,266] 423±44 (9) [375,406,468] 110±31 (12) [79,125,125] 349±91 (12) [281,328,391] 
Mouth-pushing N/A 267±16 (4) [255,270,278] N/A 189±19 (4) [175,187,204] 377±63 (4) [332,367,426] 
Sound typePeak frequency 1 (Hz)Peak frequency 2 (Hz)Peak frequency 3 (Hz)10 dB bandwidth min. (Hz)10 dB bandwidth max. (Hz)
Courtship–female-visit      
   Pulse type A 130±20 (314) [125,125,125] 246±47 (841) [219,250,281] 343±63 (50) [343,343,375] 90±26 (841) [63,94,94] 361±53 (841) [343,375,406] 
   Pulse type B 123±13 (324) [125,125,125] 243±25 (324) [219,250,250] 355±27 (316) [343,343,375] 93±42 (324) [63,94,94] 375±46 (324) [375,375,406] 
Nest preparation 115±34 (24) [87,125,125] 280±49 (237) [250,281,313] 375±45 (4) [343,359,407] 149±63 (237) [94,156,188] 385±64 (237) [344,375,432] 
Aggressive (>2 pulses) 116±30 (78) [125,125,125] 249±54 (193) [219,250,281] 346±28 (32) [321,343,360] 114±44 (193) [94,94,125] 374±88 (193) [313,390,438] 
Aggressive (1–2 pulses) 133±32 (11) [101.8,148,156] 239±67 (42) [219,250,281] 400±90 (7) [321.8,406,437] 109±45 (42) [63,94,125] 388±91 (42) [313,375,437] 
Male looping 125±0 (5) [125,125,125] 261±61 (12) [188,281,313] 271±18 (3) [258,281,281] 123±47 (12) [94,94,125] 375±65 (12) [328,375,437] 
Female in nest 172±54 (4) [125,172,219] 221±65 (26) [188,219,219] 446±90 (15) [406,437,437] 123±30 (26) [125,125,125] 338±82 (26) [281,313,437] 
Male–female interaction (out of nest) 188±0 (3) [188,188,188] 240±60 (12) [219,219,266] 423±44 (9) [375,406,468] 110±31 (12) [79,125,125] 349±91 (12) [281,328,391] 
Mouth-pushing N/A 267±16 (4) [255,270,278] N/A 189±19 (4) [175,187,204] 377±63 (4) [332,367,426] 

Data are expressed as means ± s.d. (number of sounds) [25%, median and 75% quartiles]. N/A, not applicable

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