''Amaralia'' 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 ...

catfish Catfish (or catfishes; order Siluriformes or Nematognathi) are a diverse group of ray-finned fish. Named for their prominent barbels, which resemble a cat's whiskers, catfish range in size and behavior from the three largest species alive, ...

of the

family Family (from la, familia) is a Social group, group of people related either by consanguinity (by recognized birth) or Affinity (law), affinity (by marriage or other relationship). The purpose of the family is to maintain the well-being of its ...

Aspredinidae native to

Amazon Amazon most often refers to: * Amazons, a tribe of female warriors in Greek mythology * Amazon rainforest, a rainforest covering most of the Amazon basin * Amazon River, in South America * Amazon (company), an American multinational technology c ...

and Paraná-

Paraguay Paraguay (; ), officially the Republic of Paraguay ( es, República del Paraguay, links=no; gn, Tavakuairetã Paraguái, links=si), is a landlocked country in South America. It is bordered by Argentina to the south and southwest, Brazil to th ...

basin. These

species In biology, a species is the basic unit of classification and a taxonomic rank of an organism, as well as a unit of biodiversity. A species is often defined as the largest group of organisms in which any two individuals of the appropriate s ...

appear to be specialized to feed on the eggs of other catfishes; eggs found in ''Amaralia'' stomachs are thought to be those of

loricariid The Loricariidae is the largest family of catfish (order Siluriformes), with 92 genera and just over 680 species. Loricariids originate from freshwater habitats of Costa Rica, Panama, and tropical and subtropical South America. These fish are not ...

Species

There are currently 2 recognized species in this genus: * '' Amaralia hypsiura'' ( Kner, 1855) * '' Amaralia oviraptor''

Friel Friel is a surname, and may refer to People * Aisling Friel (born 1980s) * Anna Friel (born 1976), British actress * Arthur O. Friel (1887–1959), writer * Benny Friel (1941–2010), Scottish footballer * Bill Friel (1876–1959), American baseb ...

Carvalho Carvalho or de Carvalho (), meaning 'oak', is a Portuguese surname. The surname is most common in Portugal, Brazil, Galicia (although in Galicia it may be spelled 'Carbajal', ' Carvallo' or ' Carballo'), the former Portuguese African colonies ( ...

, 2016 Friel, J.P. & Carvalho, T.P. (2016): A new species of ''Amaralia'' Fowler (Siluriformes: Aspredinidae) from the Paraná-Paraguay River Basin. ''Zootaxa, 4088 (4): 531–546.''

References

Aspredinidae Fish of South America Catfish genera Taxa named by Henry Weed Fowler {{catfish-stub