They are the result of heat pollution of the sea, caused by waste water from the nuclear plants. This suppresses the fishes 'ability to absorb calcium, and so leads to deformities in their skeletons. Researchers from Academia Sinica's Institute of Zoology have found that given suitable nourishment, the fish return to normal.
而是海水遭核能廠廢水熱汙染，魚兒無法吸收到足夠養分，骨骼因而產生扭曲、變形，中研院動物所研究人員發現，若給予魚兒適當養分，自會還它本色。