Table 2 Morphometric data for adult specimens of two distinct karyotypic forms belonging to the Gymnotus carapo species complex from the Eastern Amazon (EA) (G. carapo 2n = 42 and G. carapo 2n = 40).

160–365

(9)

-

240–300

(7)

-

165–253

(16)

-

29.0–42.8

(9)

-

29.56–38.7 (7)

-

21.0–34.5

(16)

-

11.7–12.7 (4)

12.3

12.1–12.8 (3)

12.4

11.7–13.6

(15)

12.7

34.0–38.5

(9)

35.6

32.6–38.5 (7)

35.6

32.9–35.7

(16)

34.2

39.7–47.5

(9)

43.8

40.6–46.5

(7)

42.9

41.0–46.1

(16)

43.7

58.7–63.4 (9)

61.2

60.3–62.5

(7)

61.5

60.0–65.5

(16)

62.3

33.7–40.2 (9)

37.4

34.5–38.9

(7)

36.8

34.4–40.6

(16)

37.1

11.0–14.3

(4)

12.4

13.5–14.3

(3)

13.8

8.7–12.4

(16)

10.1

52.3–77.1 (4)

65.2

56.5–67.9

(3)

63.0

6.2–8.6

(16)

7.2

0.59–0.73

(9)

0.65

0.55–0.61

(7)

0.58

0.67–0.76

(16)

0.72

55.3–64.8

(9)

60.0

58.6–63.2 (7)

60.5

50.8–60.9

(16)

55.2

36.0–40.6

(9)

38.4

37.4–42.3

(7)

40.7

NA

NA

56.2–66.8

(9)

60.7

54.2–59.7

(7)

58.0

53.3–64.4

(16)

56.3

63.0–88.2

(9)

78.8

64.2–89.5

(7)

75.6

76.5–99.2

(16)

89.0

31.8–47.3 (9)

39.3

34.2–46.4

(7)

41.2

34.7–38.1

(16)

36.5

44.4–50.1

(9)

47.8

46.0–58.6 (7)

51.8

42.7–49.1

(16)

45.7

81.1–81.9 (4)

81.4

80.0–80.7 (3)

80.5

69.4–86.6

(16)

75.9

7.0–10.2

(9)

8.4

8.0–9.1

(7)

8.5

NA

NA