| Abnormality Disease | Prevalence | Stressor | Locality |
|---|---|---|---|
| All abnormalities | 44.4% | Contaminants | Southern North Sea |
| Fin abnormalities | N/A | Contaminants | Southern North Sea |
| Reduced hatch | High | PCBs | Baltic Sea |
| Reduced hatch | High | PCBs | Baltic Sea |
| Skeletal abnormalities | N/A | Contaminants | Southern North Sea |
| Stunting | N/A | DDT | N/A |