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List of freshwater fish of Sri Lanka : ウィキペディア英語版 | List of freshwater fish of Sri Lanka
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 is full of many endemic freshwater fauna, including fish, crabs, molluscs, and other aquatic insects. Freshwater fish are physiologically differ from marine and brackish water forms. The low salinity and high osmotic pressure makes them so different. Few fish can be found in all three ecological systems. There are 92 species of freshwater fish occur in the country, where 50 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. ==Species List== Class: Actinopterygii
抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)』 ■ウィキペディアで「List of freshwater fish of Sri Lanka」の詳細全文を読む
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