Fig. 1.
Fig. 2.
Fig. 3.
Fig. 4.
Fig. 5.
Biological index of Pacific mackerel (Scomber japonicus) sampled during spring and summer_
| Parameter | Spring (n=47) | Summer (n=57) | P Value |
|---|---|---|---|
| Mean weight (g) | 117.42 ± 42.33 | 118.12 ± 63.16 | 0.487 |
| Mean length (cm) | 24.49 ± 2.06 | 22.75 ± 4.69 | 0.071 |
| CF | 0.769 ± 0.10 | 0.936 ± 0.289 | <0.001 |
Prevalence (P%), Abundance (A), and Intensity (I) of the parasites found in the Pacific mackerel Scomber japonicus collected from Todos Santos” bay, Baja California, during Spring and Summer
| Spring (n=35) | Summer (n =60) | |||||
|---|---|---|---|---|---|---|
| Parasite species | P % | A | I | P % | A | I |
| Monogenea | ||||||
| Kuhnia scombri* | 4.9 ± 16.6 | 0.59 ± 1.75 | 2.8 ± 2.9 | 0.05 ± 0.41 | 0.01 ± 0.12 | 1 ± 0 |
| Digenea | ||||||
| Didymozoidae** | 4.21 ± 14.2 | 1.7 ± 6.21 | 10 ± 12.6 | 1.3 ± 3.13 | 0.33 ± 0.7 | 1.54 ± 0 |
| Cestoda | ||||||
| Tetraphyllidea** | 0.11 ± 0.81 | 0.02 ± 0.14 | 1 ± 0 | --- | --- | --- |
| Nematoda | ||||||
| Anisakis sp.** | 90.1 ± 21.9 | 27.6 ± 29.9 | 28.1 ± 30 | 60.2 ± 48 | 8.25 ± 15 | 13.4 ± 16.5 |
| Acanthocephala | ||||||
| Rhadinorhynchus sp.** | 0.07 ± 0.52 | 0.02 ± 0.14 | 1 ± 0 | 1.66 ± 12.9 | 0.01 ± 0.1 | 1 ± 0 |
| Copepoda | ||||||
| Caligus pelamydis* | 0.62 ± 2.9 | 0.12 ± 0.53 | 2 ± 1 | --- | --- | --- |
Parasite species of the Pacific mackerel (Scomber japonicus) during Spring and Summer from Todos Santos bay, Baja California, Mexico_
| Spring | Summer | |||
|---|---|---|---|---|
| Parasite species | PN | DH | PN | DH |
| Monogenea | ||||
| Kuhnia scombri* | 28 | G | 1 | G |
| Digenea | ||||
| Didymozoidae** | 80 | S, IC, I | 0 | --- |
| Cestoda | ||||
| Tetraphyllidea** | 1 | I | 0 | --- |
| Nematoda | ||||
| Anisakis sp.** | 1297 | M, S, IC, I, L, MU, GN | 515 | M, S, IC, I, L |
| Acanthocephala | ||||
| Rhadinorhynchus sp.** | 1 | I | 1 | I |
| Copepoda | ||||
| Caligus pelamydis* | 6 | G | 0 | --- |