Table 2. Prevalence and abundance of Anisakis larvae in blue mackerel products.
| Region | No. of samples |
No. of positive samples |
Prevalence (%) | Total weight of all samples (g) |
Total weight of positive samples (g) |
No. of larvae |
Abundance in all samples |
Abundance in positive samples |
| Pacific Ocean | 306 | 18 | 6 | 56660 | 3209 | 53 | 0.1 | 1.7 |
| Sea of Japan | 20 | 0 | 0 | 4170 | 0 | 0 | 0.0 | 0.0 |
| Southern Japan region | 36 | 0 | 0 | 7640 | 0 | 0 | 0.0 | 0.0 |
| Total | 362 | 18 | 5 | 68470 | 3209 | 53 | 0.1 | 1.7 |