Table 3 in Neohexostoma gymnosardae n. sp. (Monogenea, Hexostomatidae), a gill parasite of Gymnosarda unicolor (Valenciennes) (Teleostei, Scombridae) in the South China Sea

Table 3. Measurements of Neohexostoma gymnosardae n. sp. from Gymnosarda unicolor from the South China Sea, and Neohexostoma spp.
N. gymnosardaeN. mochimae N. kawakawaN. thunninaeN. euthynniN. extensicaudum N. robustumN. pricein. sp.Fuentes-Zambrano,Yamaguti,(Parona &(Meserve,(Dawes, 1940)Price, 1961(Koratha,19971968Perugia,1938)1955)1889)Hosts Gymnosarda unicolorAuxis thazardEuthynnusThynnusEuthynnus alleteratusThunnus thynnus Thunnus obesus Sarda sardayaitothunninae[Euthynnus lineatus](ParathynnusNeothunnuussibi)macropterusLocalitySouth China Sea, P.Venezuela, A.Hawaii, P.Italy, M.Galapagos Islands, P.EnglishTropical Pacific Texas, A.[Baja California, P.]Channel, A.SourcePresent study[35][34][24, 25][20] [21][7][26][17]Body length 9660–18800 (13827)4444–6166 (5093)4900–840011,000–12,0005853 [3570–5850]11,00017,0004500Body width2875–5375(3847)874–1160 (1011)70–1802000953 [740–950]33004000–4700400–850Haptor length 1172–1810 (1 446)665–1140 (903)953440Haptor width1369–2582 (1827)1273–1615 (1444)1200–155015001300750–850Clamps1st pair: 275–506Anterior 3 clamps:224–3701st pairs:203 × 339 [Anterior 30.067**1st pair:Anterior two pairs:× 505–697122–209× 200–230275 × 220clamps:500 × 750500 × 340(415 × 594)× 200–315153–255 × 221–403,(164 × 250)posterior-most pair:156–238 × 194–332]2nd pair: 327–477Posterior clamp:2nd pairs:0.030***2nd pair:3rd pair:× 577–71394–177 ×225 × 180600 × 850460 × 340(395 × 620)117–198 (126 × 166)3rd pair: 302–4553rd pair:4th pair: 375 × 300× 475–624500 × 670(376 × 587)4th pair: 233–3584th pair:× 389–496350 × 500(316 × 447)Oral sucker62–99 ×29–30 ×28–45*56 × 40[27–56 × 24–40]– × 10040 × 3051–102 (83 × 70)28–30(30 × 29)Pharynx63–93 ×40–13 ×40–58 ×[44–68 × 26–36]100 × 7075 × 4549–58 (82 × 55)24–29 (42 × 26)23–35Vagina244–359 ×10–40 (35)*Pads: 60–8054*600 × 350Right pad: 55 × 24191–250 (302 × 221)× 20–30Left pad: 70 × 24Genital atrium 92–321 ×40–70*600 × 300112–348 (225 × 228)Large anchor43–57 (50)34–90(64)85–10513568 [85–120]75100145Small anchor39–42(41)20–31(25)20–404534 [24 – 34]1540Eggs125–193 ×182–196 ×180–260 ×270 × 91168–203 × 72–80250 × 150220 × 11091–137 (156 × 114)74 (196 × 74)70–160[103–221 × 44–105]Egg filaments 411–719 (518)up to 200100 [anterior: 100–179,250posterior: 100–161]Testes number 185–24630–3513–3526 [32 –40]Numerous
The width of the body given for N. extensicaudum is that of the third region. The data for N. euthynni in square brackets are from Millemann (1956) [21].
* Diameter. ** Ratio large clamp/body length. *** Ratio small clamp/body length. A., Atlantic Ocean. M., Mediterranean Sea. P., Pacific Ocean.