Neuromasts and associated cranial bones of select catfishes Pimelodus pictus (TCWC 20491.12, 42.0 mm SL; A,E), Pylodictis olivaris (TCWC 20490.04, 56.0 mm SL; B, F), Ictalurus punctatus (TCWC 20490.02, 60.0 mm SL; C, G) and Noturus gyrinus (TCWC 20490.03, 27.0 mm SL; D, H). A–D Cranial bones stained with alizarin red S. White dots correspond to canal neuromasts of E–H. E–H Canal neuromasts stained using 4-Di-2-ASP following Nakae et al. (2012). Abbreviations: *, Accessory posttemporal; Epoc, Epioccipital; Pt, Posttemporal; Pto, Pterotic; Scl, Supracleithrum; Soc, Supraoccipital.