''Oryzias marmoratus'', also known as the marmorated ricefish or marmorated medaka, is a species of fish in the family

Adrianichthyidae The ricefishes are a family (Adrianichthyidae) of small ray-finned fish that are found in fresh and brackish waters from India to Japan and out into the Malay Archipelago, most notably Sulawesi (where the Lake Poso and Lore Lindu species are ...

, from Lake Towuti,

Lake Mahalona 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 larger ...

Lake Lontoa 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 larger ...

and associated streams in

Sulawesi Sulawesi (), also known as Celebes (), is an island in Indonesia. One of the four Greater Sunda Islands, and the world's eleventh-largest island, it is situated east of Borneo, west of the Maluku Islands, and south of Mindanao and the Sulu Ar ...

, Indonesia.

Information

''Oryzias marmoratus'' is endemic to Indonesia. They are a vulnerable species. This species is found in freshwater within a benthopelagic range. It is native to tropical climates. They are considered to be a species that does not migrate. The maximum length of the species is about . The males are of a grayish-brown color on the head with darker brown splotches on the body. This species is a non-annual breeder. It can be kept as an aquarium species, but it is known to be very difficult to do so. Humans use them for the commercial aquarium trade.

References

marmoratus Freshwater fish of Indonesia Taxa named by Horst Joachim Aurich Taxonomy articles created by Polbot Fish described in 1935 {{Beloniformes-stub