Table 2 Summary of the fish composition and metrics of diversity in the Baleh River Basin.

From: Fish biodiversity and assemblages along the altitudinal gradients of tropical mountainous forest streams

Species

Group 1

Group 2

Group 3

Group 4

Group 5

Group 6

Group 7

Baleh River Basin

N

%

N

%

N

%

N

%

N

%

N

%

N

%

N

%

Order: Anabantiformes

Family: Channidae

 Channa lucius

0

0.0

0

0.0

0

0.0

4

1.1

4

1.0

2

0.5

1

0.1

11

0.3

 Channa striata

0

0.0

0

0.0

0

0.0

0

0.0

5

1.2

1

0.2

1

0.1

7

0.2

 Sub-total number of species

0

0.0

0

0.0

0

0.0

1

2.4

2

4.4

2

6.5

2

5.9

2

2.6

 Sub-total number of fish caught

0

0.0

0

0.0

0

0.0

4

1.1

9

2.2

3

0.7

2

0.2

18

0.5

Order: Cypriniformes

Family: Balitoridae

 Balitoropsis zollingeri

0

0.0

1

0.3

0

0.0

0

0.0

0

0.0

0

0.0

0

0.0

1

0.0

 Homaloptera ogilviei

0

0.0

0

0.0

0

0.0

0

0.0

0

0.0

0

0.0

6

0.6

6

0.2

 Homaloptera orthogoniata

2

0.3

0

0.0

2

0.7

2

0.5

0

0.0

0

0.0

2

0.2

8

0.2

 Homalopteroides tweediei

0

0.0

3

0.8

0

0.0

0

0.0

5

1.2

1

0.2

3

0.3

12

0.3

 Homalopteroides wassinkii

0

0.0

2

0.5

0

0.0

0

0.0

0

0.0

0

0.0

0

0.0

2

0.1

 Sub-total number of species

1

3.4

3

9.1

1

3.7

1

2.4

1

2.2

1

3.2

3

8.8

5

6.4

 Sub-total number of fish caught

2

0.3

6

1.6

2

0.7

2

0.5

5

1.2

1

0.2

11

1.2

29

0.8

Family: Cyprinidae

 Cyclocheilichthys repasson

0

0.0

0

0.0

0

0.0

2

0.5

0

0.0

0

0.0

0

0.0

2

0.1

 Barbodes kuchingensis

0

0.0

0

0.0

0

0.0

19

5.1

15

3.6

8

1.8

10

1.1

52

1.5

 Barbodes lateristriga

0

0.0

0

0.0

0

0.0

14

3.8

12

2.9

0

0.0

11

1.2

37

1.0

 Barbonymus balleroides

0

0.0

0

0.0

0

0.0

5

1.4

0

0.0

4

0.9

0

0.0

9

0.3

 Barbonymus collingwoodii

3

0.4

48

12.9

5

1.7

10

2.7

5

1.2

34

7.7

32

3.4

137

3.8

 Barbonymus schwanenfeldii

5

0.7

34

9.1

23

7.7

10

2.7

19

4.6

29

6.6

0

0.0

120

3.4

 Crossocheilus cobitis

64

8.8

9

2.4

0

0.0

5

1.4

0

0.0

32

7.3

97

10.2

207

5.8

 Crossocheilus oblongus

0

0.0

0

0.0

0

0.0

0

0.0

0

0.0

0

0.0

18

1.9

18

0.5

 Cyclocheilichthys apogon

2

0.3

4

1.1

0

0.0

5

1.4

18

4.4

19

4.3

9

0.9

57

1.6

 Cyclocheilichthys armatus

2

0.3

3

0.8

24

8.1

4

1.1

8

1.9

0

0.0

6

0.6

47

1.3

 Cyprinus carpio

0

0.0

0

0.0

0

0.0

0

0.0

1

0.2

0

0.0

0

0.0

1

0.0

 Hampala bimaculata

0

0.0

7

1.9

3

1.0

5

1.4

6

1.5

19

4.3

9

0.9

49

1.4

 Hampala macrolepidota

0

0.0

0

0.0

0

0.0

9

2.4

4

1.0

0

0.0

1

0.1

14

0.4

 Labiobarbus fasciatus

3

0.4

1

0.3

0

0.0

11

3.0

0

0.0

4

0.9

0

0.0

19

0.5

 Labiobarbus festivus

0

0.0

0

0.0

3

1.0

0

0.0

0

0.0

1

0.2

0

0.0

4

0.1

 Labiobarbus leptocheilus

0

0.0

0

0.0

3

1.0

1

0.3

0

0.0

0

0.0

0

0.0

4

0.1

 Lobocheilos ovalis

129

17.8

61

16.4

68

22.8

35

9.5

6

1.5

61

13.9

79

8.3

439

12.3

 Lobocheilos schwanenfeldii

0

0.0

0

0.0

0

0.0

0

0.0

1

0.2

0

0.0

0

0.0

1

0.0

 Lobocheilos cf. falcifer

22

3.0

46

12.4

0

0.0

4

1.1

1

0.2

18

4.1

14

1.5

105

2.9

 Luciosoma setigerum

3

0.4

26

7.0

0

0.0

1

0.3

2

0.5

34

7.7

1

0.1

67

1.9

 Luciosoma spilopleura

0

0.0

0

0.0

4

1.3

3

0.8

3

0.7

6

1.4

0

0.0

16

0.4

 Luciosoma trinema

0

0.0

0

0.0

0

0.0

1

0.3

1

0.2

0

0.0

0

0.0

2

0.1

 Nematabramis sp.

0

0.0

0

0.0

0

0.0

0

0.0

1

0.2

0

0.0

0

0.0

1

0.0

 Osteochilus schlegelii

1

0.1

1

0.3

3

1.0

10

2.7

9

2.2

1

0.2

2

0.2

27

0.8

 Osteochilus vittatus

9

1.2

12

3.2

19

6.4

11

3.0

23

5.6

10

2.3

33

3.5

117

3.3

 Osteochilus waandersii

0

0.0

0

0.0

0

0.0

0

0.0

1

0.2

0

0.0

0

0.0

1

0.0

 Osteochilus melanopleurus

0

0.0

0

0.0

0

0.0

0

0.0

0

0.0

13

3.0

0

0.0

13

0.4

 Oxygaster anomalura

5

0.7

17

4.6

0

0.0

0

0.0

0

0.0

28

6.4

0

0.0

50

1.4

 Paracrossochilus acerus

0

0.0

0

0.0

4

1.3

1

0.3

0

0.0

0

0.0

0

0.0

5

0.1

 Puntioplites waandersi

0

0.0

0

0.0

0

0.0

8

2.2

0

0.0

0

0.0

0

0.0

8

0.2

 Rasbora bankanensis

0

0.0

0

0.0

0

0.0

0

0.0

5

1.2

0

0.0

0

0.0

5

0.1

 Rasbora borneensis

67

9.2

13

3.5

1

0.3

0

0.0

74

18.0

17

3.9

25

2.6

197

5.5

 Rasbora volzii

0

0.0

1

0.3

3

1.0

93

25.1

57

13.8

12

2.7

88

9.3

254

7.1

 Rasbora hosii

0

0.0

4

1.1

7

2.3

19

5.1

30

7.3

0

0.0

33

3.5

93

2.6

 Tor tambra

155

21.4

34

9.1

86

28.9

14

3.8

8

1.9

38

8.6

126

13.3

461

12.9

 Tor tambroides

15

2.1

0

0.0

0

0.0

0

0.0

0

0.0

0

0.0

0

0.0

15

0.4

 Sub-total number of species

15

51.7

17

51.5

16

59.3

25

61.0

24

53.3

20

64.5

18

52.9

37

47.4

 Sub-total number of fish caught

485

66.9

321

86.3

256

85.9

300

81.1

310

75.2

388

88.2

594

62.7

2654

74.4

Family: Gastromyzontidae

 Gastromyzon sp 1

6

0.8

0

0.0

0

0.0

0

0.0

0

0.0

3

0.7

78

8.2

87

2.4

 Gastromyzon sp 2

1

0.1

0

0.0

3

1.0

0

0.0

0

0.0

0

0.0

22

2.3

26

0.7

 Gastromyzon fasciatus

62

8.6

10

2.7

0

0.0

0

0.0

0

0.0

17

3.9

0

0.0

89

2.5

 Gastromyzon punctulatus

7

1.0

8

2.2

0

0.0

0

0.0

0

0.0

0

0.0

83

8.8

98

2.7

 Gastromyzon sp 3

0

0.0

0

0.0

0

0.0

0

0.0

0

0.0

0

0.0

2

0.2

2

0.1

 Neogastromyzon chini

17

2.3

0

0.0

0

0.0

0

0.0

0

0.0

0

0.0

0

0.0

17

0.5

 Neogastromyzon nieuwenhuisii

8

1.1

0

0.0

0

0.0

0

0.0

0

0.0

0

0.0

0

0.0

8

0.2

 Neogastromyzon pauciradiatus

37

5.1

0

0.0

0

0.0

0

0.0

0

0.0

0

0.0

0

0.0

37

1.0

 Parhomaloptera microstoma

59

8.1

3

0.8

10

3.4

7

1.9

0

0.0

9

2.0

35

3.7

123

3.5

 Protomyzon sp.

0

0.0

0

0.0

1

0.3

0

0.0

0

0.0

0

0.0

88

9.3

89

2.5

 Sub-total number of species

8

27.6

3

9.1

3

11.1

1

2.4

0

0.0

3

9.7

6

17.6

10

12.8

 Sub-total number of fish caught

197

27.2

21

5.6

14

4.7

7

1.9

0

0.0

29

6.6

308

32.5

576

16.2

Family: Nemacheilidae

 Nemacheilus kapuasensis

0

0.0

1

0.3

3

1.0

14

3.8

5

1.2

0

0.0

1

0.1

24

0.7

 Nemacheilus sp.

0

0.0

0

0.0

0

0.0

0

0.0

1

0.2

0

0.0

0

0.0

1

0.0

 Nemacheilus spiniferus

6

0.8

0

0.0

1

0.3

0

0.0

0

0.0

1

0.2

0

0.0

8

0.2

 Sub-total number of species

1

3.4

1

3.0

2

7.4

1

2.4

2

4.4

1

3.2

1

2.9

3

3.8

 Sub-total number of fish caught

6

0.8

1

0.3

4

1.3

14

3.8

6

1.5

1

0.2

1

0.1

33

0.9

Order: Perciformes

Family: Ambassidae

 Parambassis wolffii

0

0.0

0

0.0

0

0.0

0

0.0

6

1.5

0

0.0

0

0.0

6

0.2

 Sub-total number of species

0

0.0

0

0.0

0

0.0

0

0.0

1

2.2

0

0.0

0

0.0

1

1.3

 Sub-total number of fish caught

0

0.0

0

0.0

0

0.0

0

0.0

6

1.5

0

0.0

0

0.0

6

0.2

Order: Siluriformes

Family: Akysidae

 Acrochordonichthys ischnosoma

0

0.0

0

0.0

0

0.0

0

0.0

3

0.7

0

0.0

0

0.0

3

0.1

 Acrochordonichthys rugosus

0

0.0

2

0.6

0

0.0

0

0.0

0

0.0

0

0.0

0

0.0

2

0.0

 Sub-total number of species

0

0.0

2

6.1

0

0.0

0

0.0

1

2.2

0

0.0

0

0.0

3

3.8

 Sub-total number of fish caught

0

0.0

2

0.5

0

0.0

0

0.0

3

0.7

0

0.0

0

0.0

5

0.1

Family: Bagridae

 Hemibagrus fortis

0

0.0

0

0.0

0

0.0

0

0.0

2

0.5

0

0.0

0

0.0

2

0.1

 Hemibagrus capitulum

6

0.8

6

1.6

10

3.4

7

1.9

10

2.4

12

2.7

3

0.3

54

1.5

 Hemibagrus wyckii

0

0.0

1

0.3

0

0.0

1

0.3

0

0.0

0

0.0

0

0.0

2

0.1

 Leiocassis micropogon

3

0.4

7

1.9

1

0.3

0

0.0

2

0.5

0

0.0

0

0.0

13

0.4

 Leiocassis poecilopterus

0

0.0

0

0.0

0

0.0

0

0.0

1

0.2

0

0.0

0

0.0

1

0.0

 Mystus singaringan

0

0.0

2

0.5

0

0.0

3

0.8

0

0.0

0

0.0

0

0.0

5

0.1

 Sub-total number of species

2

6.9

4

12.1

2

7.4

3

7.3

4

8.9

1

3.2

1

2.9

6

7.7

 Sub-total number of fish caught

9

1.2

16

4.3

11

3.7

11

3.0

15

3.6

12

2.7

3

0.3

77

2.2

Family: Clariidae

 Clarias leiacanthus

0

0.0

0

0.0

0

0.0

2

0.5

0

0.0

0

0.0

2

0.2

4

0.1

 Sub-total number of species

0

0.0

0

0.0

0

0.0

1

2.4

0

0.0

0

0.0

1

2.9

1

1.3

 Sub-total number of fish caught

0

0.0

0

0.0

0

0.0

2

0.5

0

0.0

0

0.0

2

0.2

4

0.1

Family: Pangasiidae

 Pangasius macronema

0

0.0

2

0.5

1

0.3

6

1.6

4

1.0

1

0.2

0

0.0

14

0.4

 Pangasius nieuwenhuisii

0

0.0

0

0.0

0

0.0

3

0.8

4

1.0

0

0.0

0

0.0

7

0.2

 Pseudolais micronemus

0

0.0

0

0.0

0

0.0

6

1.6

12

2.9

0

0.0

0

0.0

18

0.5

 Sub-total number of species

0

0.0

1

3.0

1

3.7

3

7.3

3

6.7

1

3.2

0

0.0

3

3.8

 Sub-total number of fish caught

0

0.0

2

0.5

1

0.3

15

4.1

20

4.9

1

0.2

0

0.0

39

1.1

Family: Siluridae

 Kryptopterus bicirrhis

0

0.0

0

0.0

0

0.0

0

0.0

3

0.7

0

0.0

0

0.0

3

0.1

 Kryptopterus lais

0

0.0

1

0.3

0

0.0

4

1.1

8

1.9

0

0.0

0

0.0

13

0.4

 Kryptopterus limpok

0

0.0

0

0.0

0

0.0

1

0.3

3

0.7

0

0.0

0

0.0

4

0.1

 Phalacronotus apogon

0

0.0

0

0.0

0

0.0

3

0.8

1

0.2

0

0.0

0

0.0

4

0.1

 Sub-total number of species

0

0.0

1

3.0

0

0.0

3

7.3

4

8.9

0

0.0

0

0.0

4

5.1

 Sub-total number of fish caught

0

0.0

1

0.3

0

0.0

8

2.2

15

3.6

0

0.0

0

0.0

24

0.7

Family: Sisoridae

 Glyptothorax platypogonides

25

3.4

2

0.5

9

3.0

6

1.6

1

0.2

4

0.9

17

1.8

64

1.8

 Sub-total number of species

1

3.4

1

3.0

1

3.7

1

2.4

1

2.2

1

3.2

1

2.9

1

1.3

 Sub-total number of fish caught

25

3.4

2

0.5

9

3.0

6

1.6

1

0.2

4

0.9

17

1.8

64

1.8

Order: Synbranchiformes

Family: Mastacembelidae

 Macrognathus maculatus

1

0.1

0

0.0

1

0.3

0

0.0

11

2.7

1

0.2

10

1.1

24

0.7

 Sub-total number of species

1

3.4

0

0.0

1

3.7

0

0.0

1

2.2

1

3.2

1

2.9

1

1.3

 Sub-total number of fish caught

1

0.1

0

0.0

1

0.3

0

0.0

11

2.7

1

0.2

10

1.1

24

0.7

Order: Tetraodontiformes

Family: Tetraodontidae

 Auriglobus modestus

0

0.0

0

0.0

0

0.0

1

0.3

11

2.7

0

0.0

0

0.0

12

0.3

 Sub-total number of species

0

0.0

0

0.0

0

0.0

1

2.4

1

2.2

0

0.0

0

0.0

1

1.3

 Sub-total number of fish caught

0

0.0

0

0.0

0

0.0

1

0.3

11

2.7

0

0.0

0

0.0

12

0.3

 Total number of species

29

 

32

 

26

 

41

 

45

 

31

 

34

 

76

 

 Total number of fish caught

725

 

372

 

298

 

370

 

412

 

440

 

948

 

3565

 

 Total number of stations

9

 

7

 

9

 

9

 

12

 

17

 

9

 

72

 

 Abundancy (ind/st)

81

 

54

 

34

 

42

 

35

 

26

 

106

 

50

 

 Shannon’s diversity index, H (e)

2.5

 

2.8

 

2.4

 

3.1

 

3.1

 

3.0

 

2.9

 

3.4

 

 Margalef’s richness index, D (e)

4.3

 

5.2

 

4.4

 

6.8

 

7.3

 

4.9

 

4.8

 

9.2

 

 Pielou’s evenness index, J (e)

0.8

 

0.8

 

0.7

 

0.8

 

0.8

 

0.9

 

0.8

 

0.8