Sounds Made by Epinephelus drummondhayi
Picture by Wiggers, R.

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Sound produced yes, active sound production
Type of sound produced grunts
Sound production organ swim bladder
Sound mechanism vibration by contraction of associated muscles (probably similar as in Epinephelus striatus)
Behavioural context startle, alarm, flight & competitive feeding
Reference Fish, M.P. and W.H. Mowbray, 1970
Remark
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cfm script by eagbayani, 21.08.01 ,  php script by rolavides, 2/8/2008 ,  last modified by cmilitante, 03/05/2013