text: ‚Ä¶using the fluorescent vital dye DASPEI (2-(4-(dimethylamino)styryl-)-N-ethylpyridinium iodide; Molecular Probes, Life Technologies, Grand Island, NY, USA), which is taken up by mitochondria in active hair cells and commonly used for neuromast visualization (van Trump et al. 2010; Buck et al. 2012).