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| Sound produced | yes, active sound production |
| Type of sound produced | thumps, booms |
| Sound production organ | swim bladder |
| Sound mechanism | vibration by contraction of associated muscles (probably similar as in Epinephelus striatus) |
| Behavioural context | startle, easily induced by manual stimulation |
| Reference | Fish, M.P. and W.H. Mowbray, 1970 |
| Remark | recorded with lowpass filter: 600 Hz (recording amplified by 10 dB) |