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|Sound produced||yes, active sound production|
|Type of sound produced||scrapes & knocks|
|Sound production organ||swim bladder & teeth (mainly located on upper and lower jaw & tongue)|
|Sound mechanism||not specified but probably stridulation of teeth amplified by swim bladder|
|Behavioural context||under duress (caught on hook & line)|
|Reference||Fish, M.P. and W.H. Mowbray, 1970|
|Remark||recorded with bandpass filter: 50 -2400 Hz, human voices in the background|