Table 1
Comparison of meristic characters of Hypoptychus dybowskii and Ammodytes japonicus

Hypoptychus dybowskii

Ammodytes personatus

Present study

Senou (2013)

Kim et al. (2008b)

Number of specimens

2

–

90

Standard length (mm)

70.5–71.3

–

91.0–228.1

Counts

 Dorsal fin rays

21

19–21

53–60

 Anal fin rays

21–22

19–22

27–33 (n = 89)

 Pectoral fin rays

9

9–10

13–16