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,passive & active sound production |
| Tipo de sonido producido | swimming noise, knocks, thumps |
| Órgano de producción sonor | swim bladder & pneumatic duct |
| Sound mechanism | may be escape sounds (discharge of gas through pneumatic duct) |
| Contexto del comportamiento | swimming & handling |
| Reference | Fish, M.P. and W.H. Mowbray, 1970 |
| Observación | active sound production (knocks & thumps) only recorded during handling, recorded with bandpass filter: 30 -1200 Hz |