Table 5.
Morphological Deformities of Tilapia Collected from Six Stations in Four Rivers in Southern Taiwan, 1994–1996. All values are expressed as percentages of total fish caught at each station. Locations as indicated in Table 4.
| Deformity | TKS | TKM | KP | EJ1 | EJ2 | LB | |
|---|---|---|---|---|---|---|---|
| Scale disorientation | 12.5 | 20.4 | 9.6 | 6.2 | 25.0 | 0 | |
| Gill deformity | 2.6 | 7.4 | 2.4 | 31.2 | 16.7 | 3.0 | |
| Eye deformity | Exopthalmia | 2.0 | 3.0 | 3.0 | 0 | 0 | 0 |
| Concave eye | 0 | 1.0 | 1.0 | 0 | 0 | 0 | |
| Small eye | 0.5 | 0 | 0 | 0 | 0 | 0 | |
| Blindness | 0.5 | 3.0 | 0 | 0 | 0 | 0 | |
| Lens deformity | 0 | 1.0 | 0 | 0 | 0 | 0 | |
| Opaque cornea | 10.0 | 10.0 | 26.0 | 6.2 | 0 | 3.0 | |
| Skeletal deformity | 28.5 | 46.3 | 37.1 | 50.0 | 16.7 | 21.8 | |
| Soft tissue deformity | 12.9 | 13.0 | 3.0 | 31.3 | 20.8 | 0 | |
| Split fins | 27.1 | 13.9 | 42.5 | 87.5 | 62.5 | 50.0 | |
| Total number of fish | 192 | 108 | 167 | 16 | 24 | 32 | |