Oryzias marmoratus, also known as the marmorated ricefish or marmorated medaka, is a species of fish in the family Adrianichthyidae,[3] from Lake Towuti, Lake Mahalona, Lake Lontoa and associated streams in Sulawesi, Indonesia.

[1] This species is found in freshwater within a benthopelagic range.

The maximum length of the species is about 4.1 cm (1.6 in).

The males are of a grayish-brown color on the head with darker brown splotches on the body.

This order Beloniformes related article is a stub.