Please be patient while sound file is loaded. You may have to increase volume settings.
If you did not hear the sound. Click here to download sound file.
| Sound produced | yes, active sound production |
| Type of sound produced | "perculator" sound |
| Sound production organ | swim bladder, enlarged base of first pectoral spine moved within socket by cleithrum |
| Sound mechanism | vibrations by special "spring appartus" (bony shelf supporting swimbladder dorsally) |
| Behavioural context | not specified (natural behaviour) |
| Reference | Fish, M.P. and W.H. Mowbray, 1970 |
| Remark | outdoor recording (includes background noise of e.g. snapping shrimp & Opsanus tau, etc.), recorded with bandpass filter: 100 - 2400 Hz |