Table 2 Measurements (in micrometres) for the six new species of Cichlidogyrus described in this study

Host

Serranochromis cf. macrocephalus

Tilapia sparmanii Smith, 1840

Orthochromis sp. ‛Lomamiʼ

Locality

Lomami River (8°33′36″S, 24°36′36″E)

Lomami River (8°33′36″S, 24°36′36″E)

Ngulungu River (8°44′9″S, 24°43′58″E)

Ngulungu River (8°44′09″S, 24°43′58″E)

Ngulungu River (8°44′9″S, 24°43′58″E)

Lomami River (8°33′36″S, 24°36′36″E)

Additional hosts

–

–

–

Orthochromis sp. ‛Lomamiʼ

–

Serranochromis cf. macrocephalus

Additional localities

–

–

–

Lomami River (8°33′36″S, 24°36′36″E) on Orthochromis ‛Lomamiʼ

–

–

Number of specimens

n = 66

n = 63

n = 8

n = 15

n = 5

n = 3

Ventral anchor

 Total length, a

52 (47–56, n = 45)

43 (37–47, n = 29)

31 (26–36, n = 6)

34 (33–36, n = 6)

38 (31–42, n = 5)

31–32 (n = 2)

 Blade length, b

41 (32–46, n = 47)

36 (31–42, n = 28)

28 (26–29, n = 6)

28 (25–30, n = 7)

34 (32–37, n = 5)

31 (n = 2)

 Shaft length, c

9 (6–12, n = 48)

6 (3–9, n = 30)

5 (4–6, n = 6)

6 (5–7, n = 8)

8 (6–9, n = 5)

4 (2–5, n = 3)

 Guard length, d

20 (15–23, n = 47)

11 (6–18, n = 27)

9–10 (n = 6)

11 (7–13, n = 8)

19 (17–21, n = = 5)

7 (n = 3)

 Point length, e

18 (12–23, n = 62)

13 (10–16, n = 45)

10 (9–11, n = 6)

12 (11–14, n = 14)

12 (11–13, n = 5)

11–12 (n = 3)

Dorsal anchor

 Total length, a

56 (48–66, n = 40)

43 (34–47, n = 27)

27 (24–30, n = 7)

43–44 (n = 2)

33–34 (n = 2)

25–26 (n = 2)

 Blade length, b

34 (28–38, n = 39)

33 (24–39, n = 25)

19 (16–20, n = 7)

28 (25–32, n = 2)

27 (26–28, n = 2)

21 (20–23, n = 2)

 Shaft length, c

9 (5–13, n = 41)

7 (4–12, n = 23)

5 (3–6, n = 7)

10 (7–15, n = 3)

11–12 (n = 4)

4 (n = 2)

 Guard length, d

26 (22–32, n = 41)

14 (10–19, n = 24)

10 (8–12, n = 7)

21–22 (n = 2)

13–14 (n = 3)

8–9 (n = 2)

 Point length, e

11 (7–13, n = 53)

10 (7–14, n = 41)

6–7 (n = 7)

8 (6–10, n = 12)

4–5 (n = 3)

7 (n = 2)

Ventral transverse bar

 Branch length, x

74 (62–86, n = 42)

50 (46–56, n = 25)

34 (30–37, n = 5),

49 (42–56, n = 8)

36 (35–40, n = 4)

45 (41–51, n = 3)

 Maximum width, w

11 (9–15, n = 63)

9 (7–11, n = 48)

5 (3–6, n = 7)

7–8 (n = 15)

8–9 (n = 5)

6–7 (n = 3)

Dorsal transverse bar

 Total length, x

57 (44–66, n = 61)

48 (42–60, n = 46)

26 (23–31, n = 7)

43 (37–50, n = 15)

54 (51–58, n = 5)

33 (n = 3)

 Distance between auricles, y

24 (17–34, n = 52)

19 (16–27, n = 43)

12 (n = 6)

20 (17–27, n = 12)

17 (14–19, n = 5)

13–14 (n = 2)

 Maximum width, w

12 (8–16, n = 50)

10 (7–12, n = 42)

2–3 (n = 7)

9 (7–11, n = 14)

8 (7–10, n = 5)

5 (4–6, n = 3)

 Auricle length, h

31 (25–39, n = 37)

25 (20–32, n = 34)

11 (8–12, n = 7)

18 (14–22, n = 12)

16 (12–20, n = 2)

22 (n = 1)

Uncinuli

 Length I, U_I

51 (43–56, n = 52)

24 (19–28, n = 45)

11 (9–12, n = 5)

37 (32–41, n = 13)

25 (23–27, n = 5)

15 (n = 2)

 Maximum width I, Uw

11 (8–14, n = 61)

2 (n = 46)

1 (n = 5)

8 (7–11, n = 14)

2 (n = 5)

1–2 (n = 3)

 Length II, U_II

13 (11–14, n = 42)

12 (9–14, n = 38)

11 (10–12, n = 4)

11 (10–12, n = 10)

16–17 (n = 3)

12–13 (n = 3)

 Length III, U_III

32 (28–37, n = 54)

23 (21–26, n = 22)

18 (16–21, n = 4)

21 (18–28, n = 13)

35 (34–37, n = 5)

35 (34–37, n = 3)

 Length IV, U_IV

34 (28–41, n = 45)

29 (26–32, n = 25)

26 (22–28, n = 6)

25 (22–33, n = 13)

32 (n = 5)

35 (32–37, n = 3)

 Length V, U_V

41 (36–45, n = 39)

30 (26–33, n = 39)

26 (22–30, n = 7)

30 (27–32, n = 14)

40 (38–42, n = 4)

34 (n = 1)

 Length VI, U_VI

39 (33–46, n = 51)

28 (24–33, n = 37)

22 (18–27, n = 7)

29 (26–32, n = 14)

36 (35–39, n = 4)

34 (32–37, n = 2)

 Length VII, U_VII

36 (31–42, n = 55)

27 (24–32, n = 40)

19 (16–22, n = 7)

26 (21–31, n = 12)

35 (32–37, n = 4)

33 (32–34, n = 2)

 Length III-VII

36 (28–46, n = 244)

28 (21–33, n = 163)

22 (16–30, n = 31)

26 (18–33, n = 66)

35 (32–42, n = 22)

34 (32–37, n = 11)

 Length secondary shaft I, Us_I

41 (34–46, n = 52)

13 (9–17, n = 46)

–

27 (22–31, n = 13)

10 (9–11, n = 5)

2 (n = 2)

 Length secondary shaft III, Us_III

20 (17–23, n = 54)

12 (10–14, n = 22)

7 (5–10, n = 4)

9 (7–14, n = 13)

18 (16–20, n = 5)

22 (21–24, n = 3)

 Length secondary shaft IV, Us_IV

22 (16–26, n = 45)

16 (13–19, n = 25)

13 (9–15, n = 6)

12 (10–20, n = 13)

16 (12–25, n = 5)

20 (18–21, n = 3)

 Length secondary shaft V, Us_V

28 (23–33, n = 39)

19 (16–22, n = 39)

15 (11–18, n = 7)

18 (14–22, n = 14)

22 (20–25, n = 4)

21 (n = 1)

 Length secondary shaft VI, Us_VI

27 (23–32, n = 51)

17 (14–20, n = 36)

12 (10–13, n = 7)

18 (12–21, n = 14)

19 (17–21, n = 4)

21 (20–23, n = 2)

 Length secondary shaft VII, Us_VII

24 (19–29, n = 55)

16 (13–20, n = 40)

8 (7–10, n = 6)

14 (8–18, n = 12)

19 (18–22, n = 4)

21 (20–23, n = 2)

 Length secondary shaft III-VII

24 (16–33, n = 243)

17 (10–22, n = 162)

11 (5–18, n = 30)

15 (7–22, n = 66)

19 (12–25, n = 22)

21 (20–24, n = 11)

MCC

 Length stylet, Stl

145 (118–159, n = 59)

60 (52–64, n = 62)

80 (72–85, n = 6)

30 (27–32, n = 13)

61 (57–64, n = 5)

38 (n = 2)

 Maximum width stylet, Stw

29 (25–33, n = 63)

12 (9–15, n = 56)

5 (3–6, n = 8)

4 (3–5, n = 13)

2 (n = 5)

6–7 (n = 3)

 Linear length accessory piece, Ap

77 (65–95, n = 64)

62 (55–71, n = 63)

40 (32–51, n = 8)

22 (16–28, n = 15)

35 (31– 39, n = 5)

32 (28–37, n = 3)

 Axial length accessory piece, Apl

93 (76–110, n = 63)

66 (54–76, n = 62)

98 (77–121, n = 8)

47 (39–54, n = 15)

/

36 (34–38, n = 3)

 Maximum width accessory piece, Apw

8 (7–10, n = 66)

10 (4–12, n = 61)

3–5 (n = 8)

4 (2–6, n = 15)

21 (18–23, n = 5)

5 (n = 3)

 Length heel, Hel

12 (10–15, n = 60)

12 (8–15, n = 55)

5 (3–7, n = 6)

10 (9–11, n = 11)

11 (10–12, n = 5)

15 (n = 1)

 Partial length heel, He

17 (14–20, n = 65)

1–2 (n = 63)

2 (n = 8)

5 (2–7, n = 14)

8 (7–9, n = 5)

6–7 (n = 3)

 Width heel, Hew

17 (14–20, n = 65)

7 (6–11, n = 56)

4 (2–5, n = 7)

7 (6–10, n = 12)

15 (14–17, n = 5)

5 (n = 2)

Vagina

 Length, Vgl

219 (173–280, n = 60)

14 (12–16, n = 20)

62 (48–67, n = 6)

–

22–23 (n = 3)

13 (10–15, n = 3)

 Maximum width, Vgw

22 (17–27, n = 64)

5 (3–7, n = 60)

4 (3–5, n = 8)

–

3–4 (n = 5)

4 (n = 3)

Body

 Length

463 (331–638, n = 63)

377 (223–491, n = 50)

267 (229–305, n = 6)

329 (223–381, n = 15)

328 (292–350, n = 5)

401 (310–496, n = 3)

 Width

158 (100–240, n = 66)

90 (60–143, n = 63)

65 (41–87, n = 7)

86 (60–104, n = 15)

121 (110–138, n = 5)

126 (119–132, n = 3)