Fig. 1
Fig. 2.
Fig. 3.
Comparative metrical data for Diclidophora merlangi and their congeneric species_
| Comparable parameters | Perdiguero-Alonso et al. 2006 | Morsy et al. 2018 | Present study | |||
|---|---|---|---|---|---|---|
| Host | Gadus morhua | Gadus morhua | Merlangius merlangus | Saurida undosquamis | Acanthopagrus bifasciatus | |
| Location | North Sea | Celtic Sea | Celtic Deep | Red Sea, Egypt | Arabian Gulf, Saudi Arabia | |
| Body | Length | 2.24 | 3.30 | 9.07±1.98 (4.25–13.10) | 6±2 (4–10) | 3.67±0.12 (2.97–5.26) |
| Width | 1.18 | 1.06 | 3.69±0.77 (2.12–5.43) | 1.25±0.23 (0.45–1.39) | 0.72±0.01 (0.61–0.95) | |
| Buccal sucker diameter | - | - | - | 0.12±0.02 (0.08–0.15) | 0.076±0.004 (0.071–0.089) | |
| Pharynx length | 0.15 | 0.08 | 0.27±0.04 (0.15–0.39) | 0.12±0.006 (0.08–0.15) | 0.059±0.013 (0.041–0.075) | |
| Muscular bulb diameter | 0.077 | 0.069 | 0.12±0.02 (0.08–0.15) | - | 0.049±0.008 (0.039–0.055) | |
| Number of copulatory organ hooks | 17 | 17 | 17±2 (13–20) | 15–19 | 17 | |
| Germarium length | 0.53 | 0.78 | 1.96±0.43 (1.00–2.83) | 0.60±0.01 (0.04–0.80) | 0.232±0.034 (0.191–0.270) | |
| Number of testes | 223 | 256 | 201±31 (167–290) | 220±40 (190–250) | 218±10 (184–267) | |
| Testicular area length | 0.826 | 0.908 | 0.670±0.031 (0.177–1.413) | - | 0.981±0.023 (0.801–1.26) | |
| Haptor length | 0.85 | 1.15 | 2.68±0.63 (1.35–4.10) | - | 0.665±0.128 (0.459–0.752) | |
| First clamp length | 0.17 | 0.22 | 0.35±0.05 (0.22–0.43) | - | 0.160±0.008 (0.150–0.166) | |
| First clamp width | 0.14 | 0.17 | 0.28±0.40 (0.18–0.36) | 0.39±0.01 (0.28–0.47) | 0.142±0.008 (0.133–0.149) | |