Table 3 Summary of water quality data, the calculated catch per unit effort, results of reaction polymerase chain reaction–restriction fragment length polymorphism (PCR-RFLP), and reported inhabiting species by Kume & Hosoya22 at each sampling site.

From: Real-time multiplex PCR for simultaneous detection of multiple species from environmental DNA: an application on two Japanese medaka species

St. No.

Water temperature (°C)

pH

Electrical conductivity (mS/cm)

CPUE (fish/net*h)

PCR-RFLP

Reported inhabiting species

latipes

sakaizumii

1 (Yugou)

18

7.87

0.3

3.7

—

—

sakaizumii

2 (Kazue)

17.5

8.58

0.35

—

1

29

sakaizumii

3 (Maruta)

19.2

8.02

0.35

0.4

—

—

both

4 (Yakumo)

23.2

10.49

0.18

—

—

—

sakaizumii

5 (Kita-ariji)

22.9

7.99

0.21

—

—

—

both

6 (Kaminaka)

24.7

8.55

0.2

—

—

—

latipes

7 (Kisaichi)

24.9

8.02

0.28

20

—

—

sakaizumii

8 (Osada 1)

23.9

7.95

0.14

100

—

—

latipes

9 (Osada 2)

22.3

7.99

0.17

20

30

0

—