Sword-tailed Newt

The sword-tailed newt (Cynops ensicauda) is endemic to the Ryukyu Islands of Japan, specifically found on Amami and Okinawa. It inhabits streams, ponds, and wetland areas in these subtropical islands.

The sword-tailed newt gets its name from the breeding male's elongated, sword-like tail tip, which is used during courtship displays. This distinctive feature helps distinguish it from other species in the Cynops genus, such as the Japanese fire belly newt (Cynops pyrrhogaster).

The sword-tailed newt is sometimes kept in captivity by amphibian enthusiasts, though it is less common in the pet trade than the related Japanese fire belly newt (Cynops pyrrhogaster). Proper care requires a semi-aquatic setup with clean water and appropriate temperatures for its subtropical origins.

The sword-tailed newt faces threats from habitat loss and introduced species on the Ryukyu Islands, particularly on Okinawa where development has reduced suitable wetland habitat. It is classified as endangered due to its restricted range and declining population trends.