Thorius arboreus
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| Thorius arboreus | |
|---|---|
Scientific classification  | |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Amphibia |
| Order: | Urodela |
| Family: | Plethodontidae |
| Genus: | Thorius |
| Species: | T. arboreus |
| Binomial name | |
| Thorius arboreus Hanken & Wake, 1994[2] | |
Thorius arboreus, commonly known as the arboreal minute salamander, is a species of salamander in the family Plethodontidae. It is endemic to Sierra Juárez, Oaxaca, Mexico.[1][3][4] The specific name arboreus, derives from the Latin word arbor, meaning tree, referring to the arboreal habitat of this species.[2]
With males measuring 16.1–18.4 mm (0.63–0.72 in) and females 15.2–20.0 mm (0.60–0.79 in) in snout–vent length, it is a very small species even among the generally small Thorius.[2][4][5] It has a slender habitus. The head is relatively wide; the snout is bluntly pointed. The eyes are relatively large. Maxillary teeth are lacking. The limbs are relatively long. There is a reddish dorsal stripe; some individuals have an ornate pattern where the dorsolateral margins of the stripe are "pinched" over the shoulders.[2]