Please be patient while sound file is loaded. You may have to increase volume settings.
Click here to download the sound file.| Sound produced | yes, active sound production |
| Type of sound produced | grunts, creaks, sobs, yelps |
| 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 | under duress (capture or prodding), communication |
| Reference | Fish, M.P. and W.H. Mowbray, 1970 |
| Remark |