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Showing 1 to 1 of 1 for “"inter-ridge distance"”.
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Sound Production in Two Loricariid Catfishes
… These species produce sounds by rubbing the ridges of the dorsal process of the pectoral spine base against the groove of the pectoral girdle. Call duration was generally shorter in <em>M. affinis</em> (2-15 ms) as opposed to those produced by <em>P. gibbiceps</em> (20-200 ms). Mean dominant …