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Introduction

 
118 species of amphibians are recognized from Sri Lanka. These 118 species are represented in two main orders: Anura and Gymnophiona. The order Gymnophiona includes three species of limbless amphibians belonging to the family Icthyophiidae and the genus Icthyophis. All three species in this family are endemic to Sri Lanka. The order Anura includes the well known frogs and toads which is represented by the six families: Bufonidae, Dicroglossidae, Microhylidae, Ranidae, Rhacophoridae and Nyctibatrachidae. The family Bufonidae which includes the terrestrial toads is represented by eight species consisting of the three genera Adenomus, Bufo and Duttaphrynus. The genus Adenomus is endemic to Sri Lanka. Dicroglossidae family consists of 12 species of frogs that belongs five genera.  The endemic relict genus Nannophrys of this family has terrestrial tadpole stages that live on wet rock surfaces. The family Microhylidae which includes the “Narrow mouthed frogs” is represented by ten species that belong to four genera. The family Nyctibatrachidae is represented by a single monotypic species Lankanectus corrugatus in Sri Lanka. Other members of family Nyctibatrachidae is found only India indicating the zoogeographic affinities with the Indian fauna. The family Ranidae in Sri Lanka is represented by 3 species which belongs to one genus. The Sri Lankan Rhacophoridae which includes the Tree frogs, consists of 72 species in three genera: PolypedatesPseudophilautus and Taruga.
 
 

Family

Genera

Species

Endemic species

Icthyophiidae

1

3

3


Bufonidae

2

8

6

Dicroglossidae

5

12

6


Microhylidae

4

10

5


Nyctibatrachidae

1

1

1

Ranidae

1

3

1

Rhacophoridae

3

81

80

Total

17

118

102