Table 1 Comparison between sounds produced during agonistic behavior and filamentous algae biting
From: The cerato-mandibular ligament: a key functional trait for grazing in damselfishes (Pomacentridae)
| Â | Agonistic interaction (148) | Biting on filamentous algae (21) | U Mann-Whitney test |
|---|---|---|---|
Pulse duration (ms) | 24.66 ± 9.70 | 30.97 ± 5.46 | Z = 3.81; p < 0.001 |
Dominant frequency (Hz) | 307 ± 106 | 289 ± 103 | Z = -1.69; p > 0.05 |