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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 low salinity and high osmotic pressure makes them so different. 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.
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.
This wound on the fish then heals, leaving almost no scarring. Species of Philometra require two hosts to complete their life cycle. After the larval worms are released from the host fish, they are ingested by copepods which act as an intermediate host. Once inside the copepod, the larvae molt several times. Fish may then eat the infested copepod.
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 ...
Pages in category "Fish of Sri Lanka" The following 43 pages are in this category, out of 43 total. This list may not reflect recent changes. ...
Freshwater fish; Introduced fish; Cartilage fish; Commercial fish; Invertebrates. ... The following list documents mantises in Sri Lanka. [1] Family ...
Negombo Lagoon is a large estuarine lagoon in Negombo, south-west Sri Lanka. The lagoon is fed by a number of small rivers and the Hamilton Canal (also known as the Dutch canal). It is linked to the sea by a narrow channel to the north, near Negombo city.