Figure 4From: The cerato-mandibular ligament: a key functional trait for grazing in damselfishes (Pomacentridae)Waveform of sounds produced by Stegastes rectifraenum . A) Oscillogram of multiple-pulsed aggressive sounds. B) Power spectra of sound produced during agonistic behavior (green line) and grazing (blue line) showing the same dominant frequency (see arrows).Back to article page