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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 ...
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.
Since Sri Lanka was ruled by the Portuguese, Dutch, and British. At various junctures, these nations introduced a number of exotic species, which included mammals, plants, birds, and fish. After Sri Lanka secured its independence, the introductions continued unabated, and the breeding of exotic aquarium fish for export became popular.
Sri Lanka is an island close to the southern end of India with a tropical environment. The freshwater fauna is as large as it is common to other regions of the world. There are about two million species of arthropods found in the world, and still it is counting with many new species still being discovered.
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 ...
[5] 20 percent of Sri Lanka's endemic freshwater fishes inhabit in the waters of Gin River and Nilwala River, which sourced by the springs of Kanneliya-Dediyagala-Nakiyadeniya. Among the forests' herpetofauna are 36 species of snakes, 17 endemic species belonging to 6 families. A total of 23 species of lizards recorded in these rain forests.
It provides nursing grounds for many species of fish and crustaceans. The coastal waters are also home to spinner, bottlenose and Indo-Pacific humpback dolphins, whales, sea turtles, and the elusive dugong. [7] The Sri Lankan government has now formulated a master plan for the development of tourism industry here. [8] [9]
According to De Silva, there are 60 sharks species and 30 rays and skates found around the coast of Sri Lanka. [ 3 ] [ 4 ] Sharks are a group of fish characterized by a cartilaginous skeleton , five to seven gill slits on the sides of the head, and pectoral fins that are not fused to the head.