''Irvineia'' is a

genus Genus (; : genera ) is a taxonomic rank above species and below family (taxonomy), family as used in the biological classification of extant taxon, living and fossil organisms as well as Virus classification#ICTV classification, viruses. In bino ...

of schilbid catfishes native to

Africa Africa is the world's second-largest and second-most populous continent after Asia. At about 30.3 million km2 (11.7 million square miles) including adjacent islands, it covers 20% of Earth's land area and 6% of its total surfac ...

Species

There are currently two recognized species in this genus: * '' Irvineia orientalis'' Trewavas, 1964 * '' Irvineia voltae'' Trewavas, 1943 ''I. orientalis'' originates from the Jubba- Shebelle system and grows to 50.2 cm (19.8 in) SL. ''I. voltae'' is

endemic Endemism is the state of a species being found only 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 foun ...

to the

Volta River The Volta River (, , ) is the main Drainage system (geomorphology), river system in the West African country of Ghana. It flows south into Ghana from the Bobo-Dioulasso Department, Bobo-Dioulasso highlands of Burkina Faso. The three main part ...

and grows to the 17.8 cm SL (7.0 in) SL. These fish are

oviparous Oviparous animals are animals that reproduce by depositing fertilized zygotes outside the body (i.e., by laying or spawning) in metabolically independent incubation organs known as eggs, which nurture the embryo into moving offsprings kno ...

and do not guard their eggs.

References

Schilbeidae * * Freshwater fish genera Catfish genera Taxa named by Ethelwynn Trewavas {{catfish-stub