| Abnormality Disease | Prevalence | Stressor | Locality |
|---|---|---|---|
| 60% Hatch decrease | N/A | Copper | N/A |
| Eye malformations | N/A | DDT | N/A |
| Optic malformations | N/A | Carbaryl | N/A |
| Optic malformations | N/A | Malathion | N/A |
| Skeletal abnormalities | N/A | DDT | N/A |
| Skeletal malformations | N/A | DDT | N/A |
| Skeletal malformations | N/A | Carbaryl | N/A |
| Skeletal malformations | N/A | Malathion | N/A |
| Vertebral abnormalities | N/A | Genetic or environmental factor | Georgia estuary |
| Vertebral abnormalities | N/A | Unknown causal agent | Massachusetts streams |