Skip to main content
Figure 2 | Frontiers in Zoology

Figure 2

From: Contribution to the study of acoustic communication in two Belgian river bullheads (Cottus rhenanus and C. perifretum) with further insight into the sound-producing mechanism

Figure 2

Variation of acoustic features in agonistic sounds. Comparisons of dominant frequencies (A), pulse durations (B) and interpulse durations (C) within multiple-pulsed sounds produced by Cottus rhenanus. Same comparisons have been made with dominant frequencies (D), pulse durations (E) and interpulse durations (F) within multiple-pulsed sounds produced by C. perifretum. FR = frequency; PD = pulse duration; IP = interpulse. Results are expressed as mean ± S.D. values. *Statistically significant according to Friedman’s test (*, p < 0,01; **, p < 0,001). n, number of data analyzed.

Back to article page

Frontiers in Zoology

ISSN: 1742-9994