Irvineia Orientalis
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''Irvineia'' is a
genus Genus ( plural genera ) is a taxonomic rank used in the biological classification of extant taxon, living and fossil organisms as well as Virus classification#ICTV classification, viruses. In the hierarchy of biological classification, genus com ...
of schilbid catfishes native to
Africa Africa is the world's second-largest and second-most populous continent, after Asia in both cases. At about 30.3 million km2 (11.7 million square miles) including adjacent islands, it covers 6% of Earth's total surface area ...
.


Species

There are currently two recognized species in this genus: * ''
Irvineia orientalis ''Irvineia'' is a genus of schilbid catfishes native to Africa. Species There are currently two recognized species in this genus: * '' Irvineia orientalis'' Trewavas, 1964 * '' Irvineia voltae'' Trewavas, 1943 ''I. orientalis'' originates fro ...
'' Trewavas, 1964 * ''
Irvineia voltae ''Irvineia voltae'' is a species of schilbid catfish endemic to the lower Volta River in Ghana. This species grows to a length of SL. They are oviparous and do not guard their eggs. Conservation ''I. voltae'' is classified as an endangered spe ...
'' Trewavas, 1943 ''I. orientalis'' originates from the
Jubba Thawb ( ar, ثَوْب "garment"), also spelled thobe or tobe and known by various other names in different regions, is an ankle-length robe, usually with long sleeves. It is commonly worn in the Arabian Peninsula, the Middle East, North Afri ...
-
Shebelle The Shebelle River ( so, Webi Shabeelle, ar, نهر شبيلي, am, እደላ) begins in the highlands of Ethiopia, and then flows southeast into Somalia towards Mogadishu. Near Mogadishu, it turns sharply southwest, where it follows the coast. ...
system and grows to 50.2 cm (19.8 in) SL. ''I. voltae'' is
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 the Volta River and grows to the 17.8 cm SL (7.0 in) SL. These fish are
oviparous Oviparous animals are animals that lay their eggs, with little or no other embryonic development within the mother. This is the reproductive method of most fish, amphibians, most reptiles, and all pterosaurs, dinosaurs (including birds), and ...
and do not guard their eggs.


References

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