Sounds Made by Lutjanus apodus
Picture by Patzner, R.

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Sound produced yes, active sound production
Type of sound produced thumps, knocks, booms, escape sounds
Sound production organ swim bladder
Sound mechanism not specified
Behavioural context loud booms from large specimen, weaker thumps from small fish under duress (manual stimulation), escape sounds & low knocks with electric stimulation
Reference Fish, M.P. and W.H. Mowbray, 1970
Remark recording amplified by 6 dB
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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