Sounds Made by Opisthonema oglinum
Picture by Charteris, M.
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| Sound produced | yes, active sound production |
| Type of sound produced | knocks |
| Sound production organ | swim bladder & pneumatic duct |
| Sound mechanism | vibrations, possibly some sounds from escape of swim bladder gas through pneumatic duct |
| Behavioural context | under duress |
| Reference | Fish, M.P. and W.H. Mowbray, 1970 |
| Remark | very low sound under duress only, recorded with lowpass filter: 1200 Hz |
cfm script by eagbayani, 21.08.01 ,
php script by rolavides, 2/8/2008 ,
last modified by cmilitante, 03/05/2013