Additional file 1.

Three-dimensional reconstruction showing the relationship of the neurocranium, swim bladder extension(s), and inner ear in Etroplus maculatus based on microCT imaging and histological serial sectioning (interactive three-dimensional PDF). Click on the figure to activate the three-dimensional features. For creation of interactive three-dimensional pdfs see also Ruthensteiner and Heß [48].

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Schulz-Mirbach et al. BMC Biology 2013 11:75   doi:10.1186/1741-7007-11-75