Rare blue crayfish found in E. China village

A totally blue crayfish discovered in Lingdong village, Dagong town of Nantong city, east China's Jiangsu province. The crayfish, with a completely blue body, pincers and feelers, was caught in a local river and is attracting a lot of attention from locals. [Photo: VCG]

The blue crayfish alongside an ordinary red crayfish for comparison. [Photo: VCG]

Aquaculture experts say the blue color may be caused by genetic variation. Since blue crayfish are rare, it doesn't suggest changes in environment. [Photo: VCG]