Vocalisation Repertoire of Female Bluefin Gurnard (Chelidonichthys kumu) in Captivity: Sound Structure, Context and Vocal Activity
Fig 5
Comparison of vocalisation rate (mean±SEM; n = 5) during different periods of the day.
Dark square represent grunt sound and white square represent growl sounds. Different letters indicate statistically significant differences between individual means within either growls or grunts (Tukey test; p<0.05).