[ It is the second species found within the genus Lankanectes. It is endemic to Sri Lanka.[1]]Etymology
The specific name pera refers the University of Peradeniya, Sri Lanka, where its alumni affectionately refer to it as Pera.[2]
Description
It is larger than the Lankanectes corrugatus.[2] Body length of mature male is 66.0 mm and mature female ranges from 51.0 mm to 55.8 mm. Dorsal surface chocolate brown with unequal dark patches and small pale spots. Venter grayish. A light-brown bar is present with dark edges on inter-orbital area. There are white tubercles found on throat.[3] Edge of the upper lip, toes, foot and flank are uniformly gray. Body stout with dorsally flat head. Head with a cephalic knob. Canthal edges indistinct. Loreal region convex. Nostrils oval. Tympanum, cephalic ridges and pineal ocellus absent. Tusk like vomerine teeth present. Large tongue emarginated without a lingual papilla. There are two fang-like processes found on the mandible. Dorsal surface of head and body covered possess corrugations. Glandular warts are white-tipped. Finger tips round and enlarge without adhesive discs. Webbing on fingers and nuptial pads absent.[2]
Ecology
It lives in muddy substrates and marshy areas of streams flowing through Dothalugala and Bamabarella and Riverston regions of Knuckles Mountain Range.[2]
References
1. ^{{cite web |url=http://epaper.dailymirror.lk/epaper/viewer.aspx |title=New species of Frogs in Knuckles |publisher=Daily Mirror|accessdate=25 August 2018}}
2. ^1 2 3 4 {{Cite journal |last=Senevirathne |first=Gayani |last2=Samarawickrama |first2=V. A. M. P. K. |last3=Wijayathilaka |first3=Nayana |last4=Manamendra-Arachchi |first4=Kelum |last5=Bowatte |first5=Gayan |last6=Samarawickrama |first6=D. R. N. S. |last7=Meegaskumbura |first7=Madhava |last-author-amp=yes |date=2018 |title=A new frog species from rapidly dwindling cloud forest streams of Sri Lanka—Lankanectes pera (Anura, Nyctibatrachidae) |url=https://biotaxa.org/Zootaxa/article/view/zootaxa.4461.4.4 |journal=Zootaxa |volume=4461 |issue=4 |pages=519 |doi=10.11646/zootaxa.4461.4.4 }}
3. ^{{cite web |url=http://science.sjp.ac.lk/zoo/2018/08/24/a-new-frog-species-from-rapidly-dwindling-cloud-forest-streams-of-sri-lanka-lankanectes-pera/ |title=A new frog species from rapidly dwindling cloud forest streams of Sri Lanka—Lankanectes pera |publisher=Department of Zoology - Sri Jayawardenapura, Sri Lanka|accessdate=25 August 2018}}
4. ^1 {{cite web |url=http://research.amnh.org/vz/herpetology/amphibia/Amphibia/Anura/Nyctibatrachidae/Lankanectes/Lankanectes-pera |title=Lankanectes pera Senevirathne, Samarawickrama, Wijayathilaka, Manamendra-Arachchi, Bowatte, Samarawickrama, and Meegaskumbura, 2018 |author=Frost, Darrel R. |year=2018 |work=Amphibian Species of the World: an Online Reference. Version 6.0 |publisher=American Museum of Natural History |accessdate=25 August 2018}}