Aquatic Life, Sri Lanka.

Surrounded by sea on all sides and blessed with thundering water falls and more than 100 rivers meandering between the bosky banks, Sri Lanka is home to a rich variety of aquatic life. Of these, the amphibians and the reptiles account for the highest number of endemic species. Of the 107 species of fish found in the island, most have found a safe heaven in the marshes and the rivers.

The trout was introduced by the British into the streams rippling down the Horton Plains. It is possible that the largest number of endemic amphibians in the world may soon be found in Sri Lanka, going by recent research reports. At present, out of the total 54 species of amphibians found in island, 33 are endemic to it. The Nannophyrus, an endemic genus with three species, which live on rock ledges trickled by water is commonly found in the wet zone.

With cascading waterfalls and as many as 103 rivers, all major groups of vertebrates can be found in Sri Lanka. Of these, the highest endemic species are found in the amphibian and reptile group. Most of the 107 species of fish are found in marsh and river dwelling.

The 39 endemic species ? the Carplet group ? being restricted to the perennial streams of the wet zone. The British introduced trout into the clear, cold streams of Horton Plains. Of the 54 species of amphibians, 33 are endemic to the island.

According to ongoing research, the largest number of endemic amphibian fauna in the world may soon be found in Sri Lanka. One endemic genus, the Nannophyrus, with three species, is common in the wet zone living on rock ledges, covered by a continuous trickle of water, and sharing the same habitat with tadpoles.

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