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Lake Towuti () is a
Lake Towuti () is a lake
A lake is an area filled with water, localized in a basin, surrounded by land, and distinct from any river or other outlet that serves to feed or drain the lake. Lakes lie on land and are not part of the ocean, although, like the much large ...
in East Luwu Regency
East Luwu Regency is the most easterly of the twenty-one regencies in South Sulawesi Province of Indonesia. Malili is the capital of East Luwu Regency. The population of East Luwu Regency was 243,069 at the 2010 Census and 296,741 at the 2020 C ...
, South Sulawesi province, Indonesia
Indonesia, officially the Republic of Indonesia, is a country in Southeast Asia and Oceania between the Indian and Pacific oceans. It consists of over 17,000 islands, including Sumatra, Java, Sulawesi, and parts of Borneo and New Guine ...
. Surrounded by mountains, it is the largest lake of the island of Sulawesi and one of the five lakes of the Malili Lake system (the other being Matano, and the small Mahalona, Masapi and Lontoa (Wawantoa)).Gray, S.M., and J.S. McKinnon (2006). ''A comparative description of mating behaviour in the endemic telmatherinid fishes of Sulawesi's Malili Lakes.'' Environmental Biology of Fishes 75: 471–482 A river flows from the lake to the Boni Bay. The town Laronda is located on its shore.
Ecology
Together with the other lakes in the Malili Lake system, Towuti has a large number ofendemic
Endemism is the state of a species being found in a single defined geographic location, such as an island, state, nation, country or other defined zone; organisms that are indigenous to a place are not endemic to it if they are also found else ...
fishes ( Telmatherinid sail-fin silversides, ''Glossogobius
''Glossogobius'' is a genus of gobies native to fresh, brackish and marine waters from Africa to the coasts of the western Pacific Ocean. They are found in Madagascar, South Africa, Japan, Thailand, Australia, Indonesia, Bangladesh, the Philippin ...
'' and '' Mugilogobius'' gobies, ''Nomorhamphus
''Nomorhamphus'' is a southeast Asian genus of viviparous halfbeaks from streams, rivers and lakes in Sulawesi (Indonesia) and the Philippines. They are all viviparous, producing small clutches of around a dozen fry about 10 to 15 mm long a ...
'' halfbeaks and ''Oryzias
''Oryzias'' is a genus of ricefishes native to fresh and brackish water in east and south Asia. Some species are widespread and the Japanese rice fish (''O. latipes'') is commonly used in science as a model organism, while others have very smal ...
'' ricefishes), ''Caridina
''Caridina'' is a genus of freshwater atyid shrimp. They are widely found in tropical or subtropical water in Asia, Oceania and Africa. They are filter-feeders and omnivorous scavengers. They range from 0.9–9.8 mm ('' C. cantonensis'') t ...
'' shrimps, Parathelphusid crabs ('' Nautilothelphusa'', '' Parathelphusa'' and '' Syntripsa'') and ''Tylomelania
''Tylomelania'' is a genus of freshwater snails which have an operculum, aquatic gastropod mollusks in the family Pachychilidae. In the aquarium hobby, snails from this genus are commonly known as "rabbit snails" (not to be confused with sea ...
'' snails.
Among these, ''Caridina spongicola
''Caridina spongicola'' is a small species of Atyidae, freshwater shrimp from Sulawesi (Indonesia) that reaches in length. In the wild it strictly lives on an undescribed species of freshwater sponge, making it one of only two known commensal sp ...
'' lives on freshwater sponges, making it one of only two known commensal
Commensalism is a long-term biological interaction (symbiosis) in which members of one species gain benefits while those of the other species neither benefit nor are harmed. This is in contrast with mutualism, in which both organisms benefit fro ...
species of freshwater shrimp (the other is a '' Limnocaridina'' shrimp that lives in mussels in Lake Tanganyika, East Africa).
See also
*List of lakes of Indonesia
This is a list of the notable lakes of Indonesia. Indonesia has 521 natural lakes and over 100 reservoirs, covering approximately 21,000 km². The total volume of water held is approximately 500 km³. The largest lake, by both area an ...
References
Towuti Landforms of South Sulawesi {{SSulawesi-geo-stub