Marbled rock frog (Nannophrys marmorata)

English: Marbled rock frog / Kirtisinghe's rock frog
Binomial: Nannophrys marmorata
Sinhala: දුම්බර ගල්පර දිය මැඩියා [Dumbara galpara diya madiya]

Marbled rock frog is an endemic species of frogs found in Knuckles mountain range. It is one of two species of frogs in Sri Lanka which belong to genus Nannophrys. This species is a semi-aquatic and lives in rock crevices and on wet rocks. Flat shaped body and the color pattern of the skin are adaptions for the living habitat. Even the behavior is similar to N. ceylonensis, Nannophrys marmorata has been adopted to live with dry, changing weather conditions. But other relative of the same genus, N. ceylonensis, is mostly found in wet rocky areas of covered wet zone forests.

In the IUCN Red List of Threatened Species, this frog is categorized as "Critically endangered" due to its limited distribution. Human activities such as tourism and agricultural activities are considered to be the main threats for the species.

References:

• Manamendra-Arachchi, K. & R. Pethiyagoda (2006): Sri Lankan amphibians [in Sinhala]. – WHT Publications, Colombo.
• The IUCN Red List of Threatened Species(tm) 2015-4 - http://www.iucnredlist.org

Kirtisinghe's frog (Zakerana kirtisinghei)

English: Kirtisinghe's frog
Binomial Name: Fejervarya kirtisinghei/Zakerana kirtisinghei
Sinhala: කීර්තිසිංහගේ මැඩියා[Kirtisinghe madiya]

An endemic widely distributed common frog found in Sri Lanka. Population has been distributed in the altitude range of 150-1580m. Adults are semi-aquatic. In IUCN Red List it is listed in 'Least Concern' category. Agrochemical pollution has become the major threat for this species.

Sri Lanka rock frog (Nannophrys ceylonensis)

English: Sri Lanka rock frog
Binomial Name: Nannophrys ceylonensis
Sinhala: ලංකා ගල්පර දිය මැඩියා / ලංකා ගල්පර මැඩියා[Lanka galpara diya madiya / Lanka galpara madiya]

Nannophrys ceylonensis is an endemic species of frogs found in wet zone lowlands and montane zone upto 1200 meters above the sea level. This frog is aquatic and lives on moist rock surfaces. In IUCN Red List, this frog is listed as vulnerable. Main threads are habitat loss due to reducing volume of water on rock surfaces and agrochemicals.

Common paddy field frog (Fejervarya limnocharis)

English: Common paddy field frog/Indian cricket frog/Boie's wart frog/rice field frog/Asian grass frog  
Binomial Name: Fejervarya limnocharis
Sinhala: වෙල් මැඩියා[Wel madiya]

Fejervarya limnocharis is a widely distributed frog lives in South Asian countries including Sri Lanka. This frog can be seen in both wet zone and dry zone close to water bodies.