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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.
Coleoptera, which is the largest order of insects, is the largest in Sri Lanka with 3,033 documented species. [8] Lepidopterans, moths and butterflies, have the second largest number of species in Sri Lanka. 245 butterflies species are recorded, of which 24 are endemic to the island. 1695 species of moths are also found, but the endemism is ...
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. Four Devario species were described in 2017 by Batuwita et al. However, the taxonomy and ...
The non-marine molluscs of Sri Lanka are a part of the molluscan wildlife of Sri Lanka. Naggs et al. (2003) listed 246 land gastropods for Sri Lanka. [1] Ranawana (2006) listed 18 species of non-indigenous land gastropods in Sri Lanka and he added some species to that list. [2] The fauna of Sri Lanka also includes freshwater snails and ...
This is a list of the mammal species recorded in Sri Lanka, with their respective names in Sinhala also listed. There are 125 mammal species in Sri Lanka , of which one is critically endangered, ten are endangered, ten are vulnerable, and three are near threatened.
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.
There are about 2 million species of arthropods found in the world, and more are still being discovered to this day. This makes it very complicated and difficult to summarize the exact number of species found within a certain region. This is a list of the coleopterans found from Sri Lanka, using recent family-level classification: [1]
Sri Lanka's freshwater crab fauna is extremely important to the island, due to its endemism. All recorded 51 species, along with five genera, are totally endemic to Sri Lanka. [ 1 ] [ 2 ] 98% of those crabs are IUCN categorized as threatened, endangered or critically endangered animals due to habitat declining, capturing for food, illegal ...