The Stream Brown Frog is classified as Least Concern. Does not qualify for a more at risk category. Widespread and abundant taxa are included in this category.
The Stream Brown Frog or Napparagawa Frog, Rana sakuraii, is a species of frog in the Ranidae family. It is endemic to Japan. Its natural habitats are temperate forests and rivers. References - * Kaneko, Y. More
this study we summarized data on the stream brown frog based on surveys conducted in fiscal 2002 and 2003. Mean body length was 46 mm (±3SD:40-52 mm) in males, and 54 mm (±3SD:46-62 mm) in females. Larvae reached 28-30 mm on average at the maximum growth point. More