Invertebrates Flora Botanical gardens Civil societies Sri Lanka is a tropical island situated close to the southern tip of India.
Because of being an island, Sri Lanka has rich endemic terrestrial and freshwater fauna, including vertebrates and several invertebrates.
[4] In 1996 the number of amphibian species rose to 53 based on research of museum collections and also a field survey.
More than 250 species were proposed based on this field survey by Rohan Pethiyagoda and Kelum Manamendra-Arachchi in 1998.
[2] In the 20th century the country has lost 20% of its amphibians and more than half of the remaining species are on the verge of extinction.
[3] Habitat loss is attributed as the main cause of threats while fragmentation, use of pesticides, and air pollution are among others.