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Table 4
Comparative metrical data of species from the family Hemiuridae found in the present study.
| Species | Dinurus euthynni Yamaguti, 1934 | Lecithochirium floridense Manter (1934) | Lecithochirium synodi Manter, 1931 | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Source | Present study | Yamaguti [92] | Present study | Manter [58] | Bullard et al. [12] | Present study | Wang [90] | ||||
| Locality | Atlantic Ocean, Rio de Janeiro, Brazil | Pacific Ocean, Japan | Atlantic Ocean, Rio de Janeiro, Brazil | Atlantic Ocean, Florida, USA | Atlantic Ocean, North Carolina, USA | Atlantic Ocean, Rio de Janeiro, Brazil | Pacific Ocean, Fujian, China | ||||
| Host | Auxis thazard | Katsuwonus pelamis | A. thazard | Paralichthys sp. | Pterois cf. volitans | A. thazard | Aluterus monoceros | ||||
| n = 8 | n = 2 | n = 5 | n = 17 | n = 12 | n = 7 | n = 1 | |||||
| Range | Mean | Range | Range | Mean | Range | Range | Range | Mean | |||
| Body length | 3526–5337 | 3977 | – | – | 1254–1637 | 1501 | 882–2242 | 547–1124 | 1678–2238 | 1993 | 2970 |
| Body width | 571–798 | 700 | 1230/1000 | 1000–1230 | 274–419 | 374 | 126–630 | 167–427 | 284–398 | 343 | 650 |
| Ecsoma length | 7029–10,747 | 8158 | –/– | – | 647–817 (n = 2) | 732 | 92–1235 | 162 (n = 1) | 446 (n = 1) | 446 | – |
| Total length | 10,709–15,089 | 12,134 | 15,000/11,400 | 11,000–15,000 | 1174–2071 (n = 2) | 1623 | – | – | 2334 (n = 1) | 2334 | – |
| Forebody length | 837–1433 | 1075 | –/– | – | 303–376 | 314 | 176–504 | 138–314 | 270–413 | 383 | – |
| Hindbody length | 1625–2698 | 2093 | –/– | – | 698–1084 | 929 | – | – | 1103–1483 | 1314 | – |
| Preoral lobe length | 40–93 | 66 | 30/– | – | 22–29 | 27 | – | – | 10–36 | 31 | – |
| Oral sucker length | 406–716 | 595 | 1000/790 | 800*–1000 | 91–104 | 99 | 75 | 57–99 | 104–136 | 118 | 125 |
| Oral sucker width | 405–609 | 530 | 950/680 | – | 90–110 | 102 | 129 | 48–102 | 97–153 | 116 | 136 |
| Pharynx length | 226–364 | 273 | 340/– | 340 | 50–65 | 55 | – | 31–54 | 57–71 | 65 | 72 |
| Pharynx width | 181–286 | 229 | –/– | – | 56–69 | 62 | – | 31–52 | 45–69 | 61 | 68 |
| Oesophagus length | – | – | –/– | – | 15–37 | 29 | – | – | 9–12 | 10 | – |
| Ventral sucker length | 488–723 | 586 | 950/660 | – | 240–258 | 248 | 160 | 108–230 | 246–334 | 299 | 350 |
| Ventral sucker width | 531–730 | 637 | 1000/790 | – | 241–261 | 252 | 297 | 111–241 | 258–340 | 299 | 350 |
| DIBAE | 712–1026 | 833 | –/– | – | 153–186 | 166 | – | – | 185–212 | 191 | – |
| Anterior testis length | 237–376 | 313 | –/290 | 290–450 | 64–118 | 98 | – | 31–111 | 135–187 | 161 | 224 |
| Anterior testis width | 271–419 | 330 | –/300 | 450–623 | 64–100 | 91 | – | 37–128 | 90–154 | 125 | 200 |
| Posterior testis length | 276–365 | 322 | –/450 | – | 82–143 | 112 | – | – | 150–191 | 172 | 208 |
| Posterior testis width | 285–388 | 335 | –/450 | – | 88–97 | 92 | – | – | 97–183 | 144 | 260 |
| Post-testicular region length | 1072–2117 | 1518 | –/– | – | 552–856 | 782 | – | – | 613–1070 | 911 | – |
| Seminal vesicle length | 346–368 (n = 2) | 357 | –/– | – | 111–184 | 159 | – | – | 163–211 | 179 | 250 |
| Seminal vesicle width | 144–155 (n = 2) | 150 | –/– | – | 50–74 | 63 | – | – | 53–74 | 63 | 120 |
| Sinus-sac length | 256–408 | 326 | –/– | – | 95–120 | 105 | 68–141 | 85 (n = 1) | 89–117 | 100 | – |
| Sinus-sac width | 118–219 | 165 | –/– | – | 59–87 | 76 | – | – | 42–66 | 57 | – |
| Ovary length | 159–269 | 213 | 340/260 | 260–340 | 91–107 | 101 | – | 43–140 | 98–129 | 106 | 160 |
| Ovary width | 186–267 | 244 | 490/–449 | 440–490 | 105–117 | 111 | – | 51–195 | 88–133 | 112 | 248 |
| Vitellarium length | 1017–1401 | 1202 | –/– | – | 104–130 | 123 | – | – | 135–216 | 177 | – |
| Vitellarium width | 388–587 | 475 | –/– | – | 106–180 | 149 | – | – | 104–230 | 176 | – |
| Egg length | 13–15 (n = 20) | 14 | 16–18/– | 16–18 | 12–15 (n = 20) | 14 | 12–16 | 14–17 (n = 12) | 14–17 (n = 20) | 15 | 12–17 |
| Egg width | 9–12 (n = 20) | 10 | 11/– | 11 | 9–12 (n = 20) | 10 | 9–10 | 7–10 (n = 12) | 9–13 (n = 20) | 10 | 8–11 |
| Body length/body width | 4.55–6.76 | 5.72 | – | – | 3.70–4.58 | 4.05 | 2.50–5.04 | – | 5.58–6.60 | 6.14 | 4.56 |
| Oral/ventral sucker width | 1:1.14–1.31 | 1:1.20 | 1:0.95/1:0.86 | – | 1:2.34–2.76 | 1:2.47 | 1:2–3 | 1:2.0–2.4 | 1:2.10–2.90 | 1:2.60 | 1:2.6 |
| Ecsoma/body length, % | 148–248 | 208 | –/– | – | 42–65 (n = 2) | 54 | 20–33 | 15 (n = 1) | 24 (n = 1) | – | – |
| Forebody/body length, % | 23–31 | 27 | –/– | – | 18–24 | 21 | 25 | 26 –30 | 16–21 | 18 | – |
| Post-testicular region/body length, % | 30–43 | 38 | –/– | – | 44–56 | 52 | – | – | 32–50 | 45 | – |
*80 in the original description by Yamaguti [92], which we consider a misprint; Abbreviation: DIBAE, Distance of intestinal bifurcation from anterior extremity.
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