Table 1 Body morphometrics for the known species of Neopolystoma from the Neotropical realm

Body length

3,342–5,575 (4,139)

2,284–3,342 (2,737)

1,512–1,770 (1,658)

4,039–4,057

1,500–2,450 (1,985)

Body maximum width

1,353–1,961 (1,753)

830–1,164 (1,037)

868–907 (894)

1,320–1,722

426–760 (568)

Haptor length

759–1,139 (912)

634–852 (755)

445–511 (485)

1,046–1,067

449–690 (571)

Haptor width

1,095–1,459 (1,249)

784–1,014 (910)

719–765 (735)

1,416–1,851

550–850 (683)

Width at vagina

1,015–1,504 (1,281)

792–1,091 (989)

837–876 (863)

–

–  

Oral sucker width

130–356 (189)

189–391 (290)

240–245 (242)

370–450 (547)

240–496 (370)

Pharynx length

293–401 (330)

189–260 (213)

170–184 (177)

305–322

156–257 (216)

Pharynx width

276–457 (357)

226–283 (252)

226–231 (228)

328

185–367 (278)

Ovary length

140–357 (195)

149–243 (197)

136–187 (153)

322–402

80–245 (103)

Ovary width

62–118 (88)

71–120 (97)

66–71 (69)

112–127

55–169 (105)

Testis length

560–983 (762)

364–541 (437)

120–142 (127)

450–664

98–367 (225)

Testis width

468–1,283 (933)

380–527 (477)

246–301 (271)

289–338

78–251 (181)

Genital bulb width

73–129 (99)

49

45

241–273

30–83 (60)

Number of genital spines

16–17

8

8

20–21

8

Genital spine length

19–26 (23)

8.4–9.8 (8.9)

5.5–8.7 (7.7)

55–71

11

Number of eggs in utero

1

1

1

1

1

Egg length

209–289 (246)

280–344 (317)

253–279 (265)

305

245–332 (286)

Egg width

155–187 (165)

127–163 (148)

133–156 (143)

177

122–146 (136)

Haptoral sucker width

227–297 (261)

208–242 (226)

133–279 (220)

305–483

210–326 (265)

Haptor length: Body length ratio

0.22

0.28

0.29

0.26

0.29

Marginal hooklet 1 length

19.6–21.8 (21.2)

13.3–15.1 (14.3)

16.4–17.2 (16.8)

24.6

11.8–12.7 (12.5)