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 | grunts |
| Sound production organ | teeth & swim bladder |
| Sound mechanism | stridulation of well-toothed mouth reinforced by large swim bladder |
| Behavioural context | not specified |
| Reference | Fish, M.P. and W.H. Mowbray, 1970 |
| Remark |