Open Access
Table 3
Measurements of Derogenes varicus sensu stricto. NEA, Northwest Atlantic.
| Species | Derogenes varicus sensu stricto | ||||||
|---|---|---|---|---|---|---|---|
| Host | Salmo salar | Merlangius merlangus | Limanda limanda | Myoxocephalus scorpius | Gadus morhua | Several hostsa | |
| Locality | Bremanger, Norway, NEA | Skagerrak, Sweden, NEA | Kristineberg, Sweden, NEA | Kristineberg, Sweden, NEA | Kristineberg, Sweden, NEA | White Sea, Barents Sea, Russia, NEA | |
| Source | Present study | Present study | Present study | Present study | Present study | Krupenko et al. [35] | |
| Number of specimens | 16 | 23 | 1 | 2 | 2 | – | |
| Body L | 2276 (1812–2661) | 1453 (1147–1882) | 2985 | 2192–2280 | 1978–2334 | 1291 (873–1885) | |
| Body W | 528 (392–669) | 380 (216–499) | 838 | 552–670 | 460 – 603 | 371 (257–498) | |
| Forebody | 838 (739–937) × 385 (334–418) | 653 (470–858) × 342 (272–416) | 1316 × 717 | 1087–1135 × 491–641 | 979–986 × 380–551 | 527 (349–786) | |
| Hindbody | 803 (698–930) × 382 (343×472) | 516 (327–722) × 307 (153–432) | 1150 × 615 | 766–800 × 275–477 | 696–936 × 224–337 | 104 (41–165) | |
| Preoral lobe L | 57 (44–68) | 43 (23–71) | 39 | 14 | 30–32 | 28 (20 – 40) | |
| Ventral sucker | 353 (231×399) × 374 (268×434) | 300 (251–384) × 299 (251–359) | 457 × 456 | 359–429 × 332–411 | 326–419 × 332–433 | 304 (224–426) × 313 (219–437) | |
| Oral sucker | 255 (223–335) × 247 (219–321) | 164 (130–223) × 171 (132–235) | 229 × 260 | 180–214 × 216–249 | 204–251 × 212–256 | 152 (89–214) × 167 (117–224) | |
| Pharynx | 90 (79–112) × 101 (85–135) | 67 (55–81) × 81 (69–96) | 114–112 | 79–85 × 98–115 | 74–76 × 81–95 | 65 (41–87) × 77 (52–104) | |
| Sinus-sac | 120 (93–135) × 113 (106–120) | 104 (83–131) × 92 (78–112) | – | – | 102–106 × 103–123 | 84 (64–112) × 87 (60–106) | |
| Seminal vesicle | 70 (46–80) × 45 (30–75) | 72 (48–85) × 46 (35–55) | 168–68 | – | 96–107 × 40–41 | 75 (39 – 225) × 46 (23–81) | |
| Left testis | 180 (152–208) × 145 (128–165) | 122 (97–171) × 109 (87–148) | 108–121 | 143–146 × 107–123 | 979–986 × 380–551 | 105 (70–157) × 105 (62–144) | |
| Right testis | 164 (124–208) × 147 (120–180) | 130 (102–202) × 119 (95–174) | 109–120 | 98–117 × 119–125 | 119–130 × 104–141 | 105 (75–142) × 102 (61–160) | |
| Ovary | 151 (128–180) × 155 (112–188) | 120 (97–152) × 116 (104–143) | 157 × 212 | 124–159 × 159–128 | 101–134 × 123–136 | 103 (77–153) × 109 (69–158) | |
| Left vitellarium | 228 (201–256) × 176 (136–207) | 164 (123–189) × 148 (94–204) | 232 × 192 | 183–211 × 163–188 | 135–212 × 112–144 | 152 (109–203) × 116 (63–201) | |
| Right vitellarium | 216 (181–280) × 162 (133–185) | 174 (111–225) × 153 (131–173) | 233 × 159 | 202–226 × 111–189 | 154–214 × 113–181 | 144 (97–211) × 114 (69–173) | |
| Eggs | 50 (40–53) × 31 (28–35) | 52 (48–58) × 34 (30–52) | 51 × 31 | 53–57 × 38–39 | 46–58 × 30–35 | 51 (44–60) × 31 (25–37) | |
a
For complete hosts list, see Krupenko et al. [35]. L., length. W., width.
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