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Sri Lanka is a tropical island situated close to the southern tip of India. It is situated in the middle of Indian Ocean. Because of being an island, Sri Lanka has many endemic freshwater fauna, as well as thousands of marine and brackish water fauna. [1] Fishing is the way of life of most of coastal community.
The tank cascade system (Sinhala: එල්ලංගාව, romanized: ellaṅgāva) is an ancient irrigation system spanning the island of Sri Lanka. It is a network of thousands of small irrigation tanks (Sinhala: වැව, romanized: wewa) draining to large reservoirs that store rainwater and surface runoff for later use. They make ...
Few fish can be found in all three ecological systems. There are 95 species of freshwater fish occur in the country, where 53 of those are endemic. 41% of all known species of fish of Sri Lanka are found in freshwater. There are about 70% of endemism of those fish. Most of them are listed into IUCN categories.
Bleeker, 1863 [2] Garra ceylonensis (the stone sucker[2] or Ceylon logsucker[citation needed]) is a species of ray-finned fish in the cyprinid family. It is endemic to rivers and streams in Sri Lanka (formerly known as "Ceylon") - and is considered as a schooling fish. It is a rheophilic species and occurs in slow to moderately flowing rivers ...
Sri Lankan freshwater habitats can be divided into 6 major types - river, stream, lake, pond, villu and paddy field - according to size, depth, rate of flow and type of bottom. Medium-sized rivers are called Oya and fast flowing streams torrential streams are called Dola in Sinhalese. The following list provide the freshwater fauna of Sri Lanka.
The irrigation works in ancient Sri Lanka were some of the most complex irrigation systems of the ancient world. The earliest examples of irrigation works in Sri Lanka date from about 430 BCE, during the reign of King Pandukabhaya, and were under continuous development for the next thousand years. In addition to constructing underground canals ...
Education in Sri Lanka has a long history that dates back two millennia. While the Constitution of Sri Lanka does not provide free education as a fundamental right, the constitution mentions that 'the complete eradication of illiteracy and the assurance to all persons of the right to universal and equal access to education at all levels" in its section on directive principles of state policy ...
Cherry barb (Puntius titteya) is a tropical fish which is native to Sri Lanka, but introduced populations are established in Mexico and Colombia. Sri Lanka contains 93 species of freshwater fish, of which 50 are endemic. 28 species are categorized as threatened by the IUCN. [5] There are 8 species of brackish water fish that also come to ...