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| Sound produced | yes, active sound production |
| Type of sound produced | grunts |
| Sound production organ | pharyngeal teeth & swim bladder (similar to Haemulon album) |
| Sound mechanism | pharyngeal teeth stridulation amplified by adjacent swim bladder (similar to Haemulon album) |
| Behavioural context | under duress (long series of grunting with mild duress, similar but weaker with electrical stimulation) |
| Reference | Fish, M.P. and W.H. Mowbray, 1970 |
| Remark | recordings of two specimens |