About Plestiodon japonicus (Peters, 1864)
Related Species Comparison
Plestiodon japonicus is similar to Plestiodon latiscutatus, which is distributed on the Izu Peninsula and the Izu Islands.
Size
Plestiodon japonicus has a total length of 15 to 24 cm, with a snout-vent length of 6 to 9.6 cm.
Juvenile Coloration
Juveniles of this species have shiny blue tails and black bodies marked with five golden stripes.
Adult Coloration
Adult Plestiodon japonicus are brown. Females retain their stripes into adulthood, while the stripes can disappear in males.
Mating Season Trait
During the mating season, the head of mature males turns red.
Distribution Range
This species has the largest geographic distribution of any skink species in Japan. It is found in Western Honshu, Shikoku, Kyushu, and the surrounding islands of Japan.