Sounds Made by Naucrates ductor
Picture by Wirtz, P.

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Sound produced tested with inconclusive results
Type of sound produced thumps
Sound production organ pharyngeal teeth & swim bladder
Sound mechanism pharyngeal teeth stridulation augmented by adjacent swim bladder
Behavioural context not specified
Reference Fish, M.P. and W.H. Mowbray, 1970
Remark 7 specimen in poor condition, origin of sound recorded questionable, no recordings available
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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