Hylodes regius
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| Hylodes regius | |
|---|---|
Scientific classification  | |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Amphibia |
| Order: | Anura |
| Family: | Hylodidae |
| Genus: | Hylodes |
| Species: | H. regius |
| Binomial name | |
| Hylodes regius Gouvêa, 1979 | |
Hylodes regius, also known as the royal tree toad, is a species of frog in the family Hylodidae.[1][2][3] The specific name regius is not explained in the original species description but probably refers to the yellow and purple-red (colors with royal associations) markings in male Hylodes regius.[4] It is endemic to the Itatiaia Mountains in Minas Gerais, Brazil.[1][2] After more than three decades without observations, it was detected again in 2012.[1][4]
Adult males measure 33–36 mm (1.3–1.4 in) in snout–vent length. There are two distinct color morphs of adult males: a greenish brown or greenish black dorsal coloration, both with scattered golden yellow blotches and white dots that form oblique lateral stripes; the blotches and dots are also present on the dorsal faces of the fore and hind limbs. The ventral faces of the arms, tibiae, and thighs, as well as the concealed dorsal surfaces of tarsi and feet, are vivid purple-red. Ventral surfaces are peppered with well-defined white spots. The belly is red.[4]
Males emit both advertisement calls and territorial calls. Calling takes place during the day.[4]
A Gosner stage 35 tadpole measured 52 mm (2.0 in) in total length and 19 mm (0.75 in) body length.[4]