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| Sound produced | yes, active sound production |
| Type of sound produced | grunts, clicks |
| Sound production organ | swim bladder devided by transverse constriction, possibly teeth |
| Sound mechanism | vibration by contraction of associated muscles, possibly with ribs serving as "drum heads" (probably same mechanism as in Holocentrus ascensionis), maybe stridulation of teeth |
| Behavioural context | under duress (handling or startle) |
| Reference | Fish, M.P. and W.H. Mowbray, 1970 |
| Remark | sounds also recorded from free-ranging animals, when alarmed |