Diagram of the cephalic lateral line canal systems in the opsariichthyin fishes. A Candidia barbata, FKUN 34180, 94.8 mm SL B C. pingtungensis, FKUN 35215, 72.9 mm SL C Nipponocypris koreanus, FKUN 40587, 94.1 mm SL. Scale bar 5 mm. D N. sieboldii, FKUN 40571, 90.5 mm SL E N. temminckii, FKUN 40575, 94.5 mm SL F Opsariichthys bidens, LBM 8852, 94.8 mm SL. Scale bar 5 mm. G O. evolans, FKUN 35199, 81.1 mm SL H O. kaopingensis, KUN-P40545, 80.0 mm SL I O. pachycephalus, FKUN 35181, 69.4 mm SL. Scale bar 5 mm. J O. uncirostris, FKUN 16487, 219.0 mm SL K Parazacco spilurus, KUN-P45852, 57.5 mm SL L Zacco platypus, FKUN 40558, 93.0 mm SL. Scale bar 5 mm.