Table 4. Main diagnostic characters among G in Gobiobotia lii, a new species of gudgeon (Teleostei, Gobionidae) from the middle Chang-Jiang Basin, central China, with notes on the validity of G. nicholsi Bănărescu & Nalbant, 1966

Table 4. Main diagnostic characters among G. lii and closely-related eight-barbel gudgeons. Number of specimens examined for vertebrae are given in parentheses.
G. lii ΛG. brevirostris ΛG. homalopteroidea ○G. jiangxiensis ΛG. pappenheimi Λ1. Scaleless region of the abdomen adjacent to the ventral mid-lineTo anusTo anusTo anal-fin originTo anusTo anus2. Snout length/post-orbital head length> 1<1<1> 1> 13. Eye diameter/interorbital width<1> 1<1> 1<14. Pupil shapeRoundEllipticalRoundRoundRound5. Eye diameter % of HL20.0-25.820.0-26.310.8-13.919.3-25.216.1-27.46. Maxillary-barbel length/eye diameter> 1<1> 1<1> 17. Extension of third pair of mental barbelTo base of pectoral finTo middle of operculaTo base of pectoral finTo front margin of pre-operculaTo base of pectoral fin8. Pectoral-fin length/distance between pectoral- and pelvic-fin insertions<1<1<1<1> 19. Second branched pectoral-fin rayNot elongatedElongatedNot elongatedNot elongatedElongated10. Vertebral counts4+31-32 (3)4+34 (2)4+36-374+33-34 (6)4+34-35 (5)11. Lateral-line pored scales37-38 (14)38-39 (2)41-4338-39 (6)37-39 (14)
○ From He and Chen (1998); Λ from this study.