''Xenopoecilus'' is a genus of small

fish Fish are aquatic, craniate, gill-bearing animals that lack limbs with digits. Included in this definition are the living hagfish, lampreys, and cartilaginous and bony fish as well as various extinct related groups. Approximately 95% of li ...

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 ...

. All members of the genus are threatened and

endemic 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 elsew ...

to lakes 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 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 ...

. Pollution and the introduction of other fish into the lakes are the main reasons for the fall in ''Xenopoecilus'' numbers.

Species

Today many authorities do not recognize this genus, instead including the three species in other genera: * Egg-carrying buntingi (''Xenopoecilus oophorus'') – placed in genus ''

Adrianichthys ''Adrianichthys'' is a genus of ricefishes. The genus is endemic to Lake Poso in Sulawesi, Indonesia. All four species are considered seriously threatened and two of these, ''A. kruyti'' and ''A. roseni'', have not been recorded for decades, lea ...

'' by

FishBase FishBase is a global species database of fish species (specifically finfish). It is the largest and most extensively accessed online database on adult finfish on the web.

. * Popta's buntingi (''Xenopoecilus poptae'') – placed in genus ''Adrianichthys'' by FishBase. * '' Xenopoecilus sarasinorum'' – placed in genus ''

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 ...

'' by FishBase.

References

Adrianichthyidae Taxonomy articles created by Polbot {{Beloniformes-stub