Daocheng Salamander

A small, slender salamander typically measuring 3.5–5.0 inches (9–13 cm) in total length. Body is elongate and weakly ossified with a relatively small head and moderately long tail comprising approximately 40–50% of total length. Dorsal coloration is dark brown to nearly black, often with a fine golden or copper sheen along the vertebral region. The dorsal surface may exhibit subtle darker mottling or a faint longitudinal stripe running from head to tail. Costal grooves are prominent, numbering approximately 13–14 between forelimbs and hind limbs. Limbs are relatively short and slender; digits number four on forelimbs and five on hind limbs. The dorsolateral fold is weakly developed. Ventral surface is considerably lighter, ranging from pale yellow to light gray or cream, often with scattered dark flecking. The head is relatively broad with small eyes positioned dorsally. Skin is smooth and moist. This species is endemic to the high-altitude Daocheng Plateau region of the Sichuan Province. Inhabits cool, clear mountain streams, spring seepage areas, and surrounding moist forest microhabitats in alpine and subalpine zones, typically at elevations above 3,500 meters (11,500 feet). Often found in streamside moss banks and beneath leaf litter in proximity to seepage areas. Diet consists of small aquatic and terrestrial invertebrates including copepods, chironomid larvae, small insects, and microcrustaceans.

Similar species: Asiatic Salamander (Hynobius leechii) lacks the pronounced copper sheen and occurs at lower elevations in different geographic regions; Szechwan Mountain Salamander (Batrachuperus tibetanus) typically has a more prominent dorsal stripe and occurs in different Tibetan plateau drainages; Chinese Mountain Salamander (Batrachuperus pinchonii) is generally larger and exhibits more pronounced pattern contrast between dorsal and ventral surfaces.