Table 4.
Dimensions of Lepotrema hemitaurichthydis n. sp.
| Host | Hemitaurichthys polylepis | Hemitaurichthys thompsoni | |
|---|---|---|---|
| Locality | Australs, French Polynesia | Palau | Fatu Hiva, Marquesas |
| n | 4 | 13 | 1 |
| Body | 1,145–1,355 × 506–677 (1,250 × 594) | 798–1,140 × 381–655 (992 × 472) | 1,470 × 588 |
| Forebody | 442–548 (507) | 354–472 (410) | 577 |
| Pre-oral lobe | 3–21 (13) | 0–20 (8) | 10 |
| Oral sucker | 159–180 × 195–212 (172 × 201) | 103–142 × 155–210 (117 × 176) | 189 × 223 |
| Prepharynx | 0–13 (6) | 0–38 (22) | 0 |
| Pharynx | 121–211 × 105–127 (167 × 117) | 91–133 × 98–157 (105 × 125) | 163 × 152 |
| Oesophagus | 18–64 (47) | 20–50 (34) | 30 |
| Intestinal bifurcation to ventral sucker | 99–181 (138) | 86–203 (126) | 214 |
| Pre-vitelline distance | 259–318 (290) | 200–306 (251) | 322 |
| Vitellarium to ventral sucker | 165–241 (217) | 103–207 (159) | 255 |
| Ventral sucker | 152–169 × 157–184 (162 × 173) | 121–168 × 132–177 (143 × 155) | 194 × 194 |
| Cirrus-sac length | 289–295 × 77–118 (291 × 96) | 196–289 × 51–90 (239 × 73) | 354 × 110 |
| Ventral sucker to ovary | 0–48 (22) | 0–71 (26) | 49 |
| Ovary | 97–129 × 137–162 (116 × 146) | 59–104 × 64–137 (83 × 96) | 136 × 122 |
| Ovary to anterior testis | 0 | 0–8 (1) | 0 |
| Anterior testis | 120–163 × 195–264 (148 × 233) | 94–163 × 94–192 (122 × 135) | 161 × 150 |
| Distance between testes | 0 | 0 | 0 |
| Posterior testis | 164–213 × 200–264 (185 × 231) | 115–221 × 93–185 (151 × 131) | 189 × 144 |
| Post-testicular distance | 133–195 (166) | 87–175 (124) | 218 |
| Post-caecal distance | 26–62 (47) | 33–64 (43) | 70 |
| Eggs | 48–56 × 26–30 (50 × 28) | 42–57 × 18–37 (51 × 31) | 50 × 23 |
| Width (%)a | 43.3–59.1 (47.8) | 42.5–58.1 (47.4) | 40.0 |
| Forebody (%)a | 38.6–42.2 (40.6) | 39.1–44.5 (41.4) | 39.2 |
| Sucker length ratio | 1:0.87–1.06 (0.95) | 1:1.09–1.35 (1.22) | 1:1.03 |
| Sucker width ratio | 1:0.79–0.94 (0.87) | 1:0.80–0.99 (0.88) | 1:0.87 |
| Oral sucker: pharynx width | 1:1.53–1.90 (1.72) | 1:1.25–1.58 (1.43) | 1:1.46 |
| Ventral sucker to ovary (%)a | 0–3.51 (1.71) | 0–6.66 (2.55) | 3.35 |
| Post-testicular distance (%)a | 11.4–14.8 (13.3) | 9.92–15.3 (12.4) | 14.9 |
| Prepharynx (%)a | 0–1.08 (0.45) | 0–3.80 (2.29) | 0 |
| Oesophagus (%)a | 1.60–5.51 (3.74) | 1.85–5.33 (3.52) | 2.02 |
| Intestinal bifurcation to ventral sucker distance (%)a | 8.61–13.6 (11.0) | 9.26–18.4 (12.6) | 14.5 |
| Vitellarium to ventral sucker distance (%)a | 14.4–20.0 (17.4) | 12.4–21.6 (16.0) | 17.3 |
| Ovary to anterior testis (%)a | 0 | 0–0.79 (0.06) | 0 |
| Distance between testes (%)a | 0 | 0 | 0 |
| Cirrus-sac length (%)a | 21.7–25.4 (23.4) | 19.6–28.2 (24.1) | 24.1 |
| Pre-vitelline distance (%)a | 22.2–24.1 (23.2) | 21.9–31.6 (25.4) | 21.9 |
| Anterior testis length (%)a | 10.5–12.6 (11.8) | 10.7–15.3 (12.2) | 11.0 |
| Posterior testis length (%)a | 14.1–15.7 (14.8) | 12.4–21.6 (15.2) | 12.8 |
a%, percent of body length