Noblella peruviana

Noblella peruviana is a species of frog in the family Craugastoridae. It is endemic to the Andean highlands in Peru.[1][3]

Noblella peruviana

Data Deficient  (IUCN 3.1)[1]
Scientific classification
Kingdom: Animalia
Phylum: Chordata
Class: Amphibia
Order: Anura
Family: Craugastoridae
Genus: Noblella
Species:
N. peruviana
Binomial name
Noblella peruviana
(Noble, 1921)
Synonyms

Sminthillus peruvianus Noble, 1921[2]
Eleutherodactylus peruvianus (Noble, 1921)
Phrynopus peruvianus (Noble, 1921)

History and taxonomy

Noblella peruviana is the type species of genus Noblella. The genus was erected by Thomas Barbour to accommodate the species that had until then been known as Sminthillus peruvianus; the only other Sminthillus species was from Cuba (now known as Eleutherodactylus limbatus).[4]

However, despite its status as defining the genus Noblella, Noblella peruviana is a little known species. Its type locality is considered to be in error; the true locality is uncertain but may be in the Puno Region.[1][3] In the literature, it has also been mixed with Pleurodema marmorata from Bolivia and with Psychrophrynella usurpator from Peru.[3]

Description

The holotype measures 16 mm (0.63 in) in snout–vent length. The following description is from the original species description by Gladwyn Kingsley Noble:[2]

Snout rounded, equal to the greatest diameter of the orbit; loreal region abrupt, nearly vertical; nostril midway between the tip of the snout and the anterior corner of the eye; interorbital space a little broader than the upper eyelid; horizontal diameter of the tympanum about one-half, vertical diameter nearly two-thirds the greatest width of the eye; tympanum about one-half its smallest diameter from the latter. Digits pointed, no terminal disks; a well-developed tarsal and two metatarsal tubercles. Tibio-tarsal articulation reaching just beyond the posterior angle of the eye; when the limbs are held vertical to the axis of the body, the tibio-tarsal articulation overlapping its mate of the opposite side. Skin feebly granular above, smooth below.

Color uniform grayish brown, slightly purplish above; a broad band of dark brown extending on each side from the nostril to the lumbar region; a narrow white line on the posterior face of each thigh joining with a median line which extends anteriorly along the back for more than half its length; posterior surfaces of the lower leg indistinctly barred with dark brown. Lower surfaces of body whitish, the chin and thigh indistinctly suffused with brown.

Habitat and ecology

Reflecting the uncertainty regarding its type locality, habitat and ecology of Noblella peruviana are unknown.[1]

gollark: I guess so. If you need, say, ten changes to an enzyme to bring it from one state to a much better one, but it works much worse/totally breaks while it's in the middle of both, it's hard for it to evolve to the better version.
gollark: If one what is stuck?
gollark: I was going to say, though: with human eyes - the light-sensitive bit is behind some other stuff, and while a goal-directed human engineer would probably go "I'll just rotate this thing then", if you don't have a convenient series of changes which still leave everything working in each intermediate state, you can't really get it evolving into the new version.
gollark: I... don't really know a massive amount about this, to be honest.
gollark: Or it got stuck in a local maximum, which happens a lot.

References
  1. Angulo, A. & Catenazzi, A. (2009). "Noblella peruviana". IUCN Red List of Threatened Species. 2009: e.T161800A5497329. doi:10.2305/IUCN.UK.2009-2.RLTS.T161800A5497329.en. Retrieved 10 January 2018.
  2. Noble, G. K. (1921). "Five new species of Salientia from South America". American Museum Novitates. 29: 1–7. hdl:2246/4615.
  3. Frost, Darrel R. (2015). "Noblella Barbour, 1930". Amphibian Species of the World: an Online Reference. Version 6.0. American Museum of Natural History. Retrieved 6 June 2015.
  4. De la Riva, I.; J. C. Chaparro & J. M. Padial (2008). "The taxonomic status of Phyllonastes Heyer and Phrynopus peruvianus (Noble) (Lissamphibia, Anura): resurrection of Noblella Barbour" (PDF). Zootaxa. 1685: 67–68. doi:10.11646/zootaxa.1685.1.5.
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