Oryzias matanensis, the Matano ricefish, is a species of fish in the family Adrianichthyidae.

This species is known to be found within a freshwater environment within a benthopelagic range.

Oryzias matanensis is a non-annual breeder that is known to not migrate.

The average length of this species as an unsexed male is about 5.5 centimeters or 2.16 inches.

[3] The threats and reasoning has not been documented as to why this species is recorded as being near threatened.