IUCN threat status:

Least Concern (LC)

Comprehensive Description

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Description

Adults are 48-87 mm snout-vent length and 88-155 mm total length. The trunk is long and robust, the tail thick and often vertically compressed. There are 13, occasionally 14, costal grooves. The limbs are thick-set and very short. There is a space of 1.5-4.5 costal groves between the fore and hind toes when the limbs are adpressed to the flank. The hind feet have 5 toes. The ground color is blackish brown, possibly with a purplish tinge. The dorsal and lateral surfaces are blotched silvery or whitish. The size of the blotches is irregular, though small on the head and back and much larger on the flanks and tail. The ventral surface is lighter. Because this species is widely distributed there is considerable color variation. The blotches in some populations may be yellowish and almost completely absent in others (Goris 2004).

This species occurs in sympatry with Hynobius kimurae in Honshu and with H. stejnegeri in Kyushu.

H. kimurae can usually be distinguished by the yellowish or golden color and uniform size of its blotches and H. stejnegeri by its larger size and generally large amber-colored blotches on both flanks and back (Goris 2004).

The name "spotted salamander" has also been used (Goris 2004).

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