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||thumps|
|Sound production organ||swim bladder|
|Sound mechanism||vibration by contraction of associated muscles|
|Behavioural context||under duress (mild electric stimulation)|
|Reference||Fish, M.P. and W.H. Mowbray, 1970|
|Remark||recorded with highpass filter: 70 Hz, recording amplified by 6 dB|