''Characidium'' 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 ...

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 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 ...

Crenuchidae The Crenuchidae, South American darters, are a family of freshwater fish of the order Characiformes. The 12 genera include about 74 species, though several species are undescribed. These fish are relatively small (usually under in standard le ...

(South American darters). They are mainly found in South America, but ''C. marshi'' is from

Panama Panama ( , ; es, link=no, Panamá ), officially the Republic of Panama ( es, República de Panamá), is a transcontinental country spanning the southern part of North America and the northern part of South America. It is bordered by Cos ...

. They are small (less than long), slender fish that live on the bottom in flowing fresh waters and feed on small animals such as insects.

Species

There are currently 69 recognized species in this genus: * '' Characidium alipioi'' Travassos, 1955 * '' Characidium amaila'' Lujan, Agudelo-Zamora, Taphorn,

Booth Booth may refer to: People * Booth (surname) * Booth (given name) Fictional characters * August Wayne Booth, from the television series ''Once Upon A Time'' *Cliff Booth, a supporting character of the 2019 film ''Once Upon a Time in Hollywood'' ...

& López-Fernández, 2013Lujan, N.K., Agudelo-Zamora, H., Taphorn, D.C., Booth, P.N. & López-Fernández, H. (2013)
Description of a New, Narrowly Endemic South American Darter (Characiformes: Crenuchidae) from the Central Guiana Shield Highlands of Guyana.
''Copeia, 2013 (3): 454-463.'' * '' Characidium bahiense'' V. G. Almeida, 1971 * '' Characidium bimaculatum'' Fowler, 1941 * '' Characidium boavistae''

Steindachner Franz Steindachner (11 November 1834 in Vienna – 10 December 1919 in Vienna) was an Austrian zoologist, ichthyologist, and herpetologist. He published over 200 papers on fishes and over 50 papers on reptiles and amphibians. Steindachner describ ...

, 1915 * '' Characidium boehlkei''

Géry Géry () is a commune in the Meuse department in Grand Est in north-eastern France. See also *Communes of the Meuse department The following is a list of the 499 communes of the Meuse department of France. The communes cooperate in the follo ...

, 1972 * ''

Characidium bolivianum ''Characidium'' is a genus of fish in the family Crenuchidae (South American darters). They are mainly found in South America, but ''C. marshi'' is from Panama. They are small (less than long), slender fish that live on the bottom in flowing fr ...

'' N. E. Pearson, 1924 * ''

Characidium borellii ''Characidium'' is a genus of fish in the family Crenuchidae (South American darters). They are mainly found in South America, but ''C. marshi'' is from Panama. They are small (less than long), slender fish that live on the bottom in flowing fr ...

'' (

Boulenger Boulenger is a surname. Notable people with the surname include: * Benjamin Boulenger (born 1990), French footballer * Edward George Boulenger (1888–1946), British zoologist, director of aquarium at London Zoo * George Albert Boulenger (1858–1 ...

, 1895) * ''

Characidium brevirostre ''Characidium'' is a genus of fish in the family Crenuchidae (South American darters). They are mainly found in South America, but ''C. marshi'' is from Panama. They are small (less than long), slender fish that live on the bottom in flowing fr ...

'' Pellegrin, 1909 * '' Characidium caucanum'' C. H. Eigenmann, 1912 *'' Characidium chancoense'' * '' Characidium chupa'' L. P. Schultz, 1944 * '' Characidium clistenesi'' M. R. S. de Melo & Espíndola, 2016Melo, M.R.S. & Espíndola, V.C. (2016): Description of a new species of ''Characidium'' Reinhardt, 1867 (Characiformes: Crenuchidae) from the Chapada Diamantina, Bahia, and redescription of ''Characidium bimaculatum'' Fowler, 1941. ''Zootaxa, 4196 (4): 552-568.'' * '' Characidium crandellii''

, 1915 * ''

Characidium declivirostre ''Characidium'' is a genus of fish in the family Crenuchidae (South American darters). They are mainly found in South America, but ''C. marshi'' is from Panama. They are small (less than long), slender fish that live on the bottom in flowing fr ...

, 1915 * '' Characidium deludens'' Zanata & Camelier, 2015Zanata, A.M. & Camelier, P. (2015)
Two new species of ''Characidium'' Reinhardt (Characiformes: Crenuchidae) from northeastern Brazilian coastal drainages.
''Neotropical Ichthyology, 13 (3): 487-498.'' * '' Characidium etheostoma''

Cope The cope (known in Latin as ''pluviale'' 'rain coat' or ''cappa'' 'cape') is a liturgical vestment, more precisely a long mantle or cloak, open in front and fastened at the breast with a band or clasp. It may be of any liturgical colours, litu ...

, 1872 * '' Characidium etzeli'' Zarske &

, 2001 * '' Characidium fasciatum'' J. T. Reinhardt, 1867 * ''

Characidium geryi ''Characidium'' is a genus of fish in the family Crenuchidae (South American darters). They are mainly found in South America, but ''C. marshi'' is from Panama. They are small (less than long), slender fish that live on the bottom in flowing fr ...

'' ( Zarske, 1997) * ''

Characidium gomesi ''Characidium'' is a genus of fish in the family Crenuchidae (South American darters). They are mainly found in South America, but ''C. marshi'' is from Panama. They are small (less than long), slender fish that live on the bottom in flowing fr ...

'' Travassos, 1956 * ''

Characidium grajahuense ''Characidium'' is a genus of fish in the family Crenuchidae (South American darters). They are mainly found in South America, but ''C. marshi'' is from Panama. They are small (less than long), slender fish that live on the bottom in flowing fr ...

'' Travassos, 1944 * '' Characidium hasemani''

, 1915 * ''

Characidium heinianum ''Characidium'' is a genus of fish in the family Crenuchidae (South American darters). They are mainly found in South America, but ''C. marshi'' is from Panama. They are small (less than long), slender fish that live on the bottom in flowing fr ...

'' Zarske &

, 2001 * '' Characidium heirmostigmata'' da Graça & Pavanelli, 2008 * '' Characidium helmeri'' Zanata, Sarmento-Soares & Martins-Pinheiro, 2015Zanata, A.M., Sarmento-Soares, L.M. & Martins-Pinheiro, R.F. (2015)
A new species of ''Characidium'' Reinhardt (Ostariophysi: Characiformes: Crenuchidae) from coastal rivers in the extreme south of Bahia, Brazil.
''Zootaxa, 4040 (3): 371–383.'' * '' Characidium interruptum'' Pellegrin, 1909 * '' Characidium japuhybense'' Travassos, 1949 * ''

Characidium kamakan ''Characidium'' is a genus of fish in the family Crenuchidae (South American darters). They are mainly found in South America, but ''C. marshi'' is from Panama. They are small (less than long), slender fish that live on the bottom in flowing fr ...

'' Zanata & Camelier, 2015 * '' Characidium lagosantense'' Travassos, 1947 * '' Characidium lanei'' Travassos, 1967 * ''

Characidium laterale ''Characidium'' is a genus of fish in the family Crenuchidae (South American darters). They are mainly found in South America, but ''C. marshi'' is from Panama. They are small (less than long), slender fish that live on the bottom in flowing fr ...

'' (

, 1895) * ''

Characidium lauroi ''Characidium'' is a genus of fish in the family Crenuchidae (South American darters). They are mainly found in South America, but ''C. marshi'' is from Panama. They are small (less than long), slender fish that live on the bottom in flowing fr ...

'' Travassos, 1949 * ''

Characidium litorale ''Characidium'' is a genus of fish in the family Crenuchidae (South American darters). They are mainly found in South America, but ''C. marshi'' is from Panama. They are small (less than long), slender fish that live on the bottom in flowing fr ...

'' Leitão & Buckup, 2014Leitão, R.P. & Buckup, P.A. (2014)
A New Species of ''Characidium'' (Characiformes: Crenuchidae) from Coastal Basins of Serra do Mar, Southeastern Brazil.
''Copeia, 2014 (1): 14-22.'' * ''

Characidium longum ''Characidium'' is a genus of fish in the family Crenuchidae (South American darters). They are mainly found in South America, but ''C. marshi'' is from Panama. They are small (less than long), slender fish that live on the bottom in flowing fr ...

'' Taphorn, Montaña & Buckup, 2006 * '' Characidium macrolepidotum'' ( W. K. H. Peters, 1868) * '' Characidium marshi'' Breder, 1925 * ''

Characidium mirim ''Characidium'' is a genus of fish in the family Crenuchidae (South American darters). They are mainly found in South America, but ''C. marshi'' is from Panama. They are small (less than long), slender fish that live on the bottom in flowing fr ...

'' Netto-Ferreira, Birindelli & Buckup, 2013Netto-Ferreira, A.L., Birindelli, J.L.O. & Buckup, P.A. (2013)
A new miniature species of ''Characidium'' Reinhardt (Ostariophysi: Characiformes: Crenuchidae) from the headwaters of the rio Araguaia, Brazil.
''Zootaxa, 3664 (3): 361–368.'' * '' Characidium nana''

Mendonça Mendonça () is a Portuguese and Galician surname of Basque origin. It sometimes appears as the anglicized forms ''Mendonca'' or ''Mendonsa''. The Spanish variant is Mendoza. The name has been often linked with royalty. The name may refer to: ...

& Netto-Ferreira, 2015Mendonça, M.B. & Netto-Ferreira, A.L. (2015)
New species of ''Characidium'' (Characiformes: Crenuchidae) from the Rio Tapajós and Rio Xingu drainages, Pará, Brazil.
''Zootaxa, 4021 (1): 187-194.'' * '' Characidium nupelia'' da Graça, Pavanelli & Buckup, 2008 * '' Characidium occidentale'' Buckup & R. E. dos Reis, 1997 * '' Characidium oiticicai'' Travassos, 1967 * '' Characidium onca'' M. R. S. de Melo, Mauro César Lambert de Brito Ribeiro & F. C. T. Lima, 2021Marcelo Roberto Souto de Melo, Mauro César Lambert de Brito Ribeiro, Flávio César Thadeo de Lima, A new, narrowly distributed, and critically endangered species of Characidium (Characiformes: Crenuchidae) from the Distrito Federal, Central Brazil, Neotrop. ichthyol. 19 (01) • 2021, https://doi.org/10.1590/1982-0224-2020-0061 * '' Characidium orientale'' Buckup & R. E. dos Reis, 1997 * ''

Characidium papachibe ''Characidium'' is a genus of fish in the family Crenuchidae (South American darters). They are mainly found in South America, but ''C. marshi'' is from Panama. They are small (less than long), slender fish that live on the bottom in flowing f ...

'' L. A. W. Peixoto & Wosiacki, 2013Peixoto, L.A.W. & Wosiacki, W.B. (2013)
A New Species of ''Characidium'' (Characiformes: Crenuchidae) from the Lower Amazon.
''Copeia, 2013 (1): 52-57.'' * '' Characidium pellucidum'' C. H. Eigenmann, 1909 * '' Characidium phoxocephalum'' C. H. Eigenmann, 1912 * '' Characidium pteroides'' C. H. Eigenmann, 1909 * '' Characidium pterostictum'' A. L. Gomes, 1947 * ''

Characidium purpuratum ''Characidium'' is a genus of fish in the family Crenuchidae (South American darters). They are mainly found in South America, but ''C. marshi'' is from Panama. They are small (less than long), slender fish that live on the bottom in flowing fr ...

, 1882 * '' Characidium rachovii''

Regan The family name Regan, along with its cognates O'Regan, O Regan, Reagan, and O'Reagan, is an Anglicized form of the Irish surname Ó Riagáin or Ó Ríogáin, from Ua Riagáin. The meaning is likely to have originated in ancient Gaelic ''ri'' ...

, 1913 * '' Characidium roesseli''

, 1965 * '' Characidium samurai'' Zanata & Camelier, 2014Zanata, A.M. & Camelier, P. (2014)
A new species of ''Characidium'' (Characiformes: Crenuchidae) from small coastal drainages in northeastern Brazil, with remarks on the pseudotympanum of some species of the genus.
''Neotropical Ichthyology, 12 (2): 333-342.'' * '' Characidium sanctjohanni'' Dahl, 1960 * '' Characidium satoi'' M. R. S. de Melo & Oyakawa, 2015Melo, M.R.S. & Oyakawa, O.T. (2015)
A New Species of ''Characidium'' Reinhardt (Characiformes, Crenuchidae) with a Distinctively Dimorphic Male.
''Copeia, 103 (2): 281-289.'' * '' Characidium schindleri'' Zarske &

, 2001 * '' Characidium schubarti'' Travassos, 1955 * '' Characidium serrano'' Buckup & R. E. dos Reis, 1997 * '' Characidium steindachneri''

, 1878 * '' Characidium sterbai'' ( Zarske, 1997) * '' Characidium stigmosum'' M. R. S. de Melo & Buckup, 2002 * '' Characidium summum'' Zanata & Ohara, 2015Zanata, A.M. & Ohara, W.M. (2015)
A new species of ''Characidium'' Reinhardt (Ostariophysi: Characiformes: Crenuchidae) from headwaters of rio Pacaás Novos, rio Madeira basin, Rondônia, Brazil.
''Zootaxa, 4021 (2): 368-376.'' * ''

Characidium tenue ''Characidium'' is a genus of fish in the family Crenuchidae (South American darters). They are mainly found in South America, but ''C. marshi'' is from Panama. They are small (less than long), slender fish that live on the bottom in flowing fr ...

'' (

, 1894) * '' Characidium timbuiense'' Travassos, 1946 * '' Characidium travassosi'' M. R. S. de Melo, Buckup & Oyakawa, 2016Melo, M.R.S., Buckup, P.A. & Oyakawa, O.T. (2016)
A new species of ''Characidium'' Reinhardt, 1867 (Characiformes: Crenuchidae) endemic to the Atlantic Forest in Paraná State, southern Brazil.
''Neotropical Ichthyology, 14 (3): e160014.'' * '' Characidium vestigipinne'' Buckup & L. Hahn, 2000 * '' Characidium vidali'' Travassos, 1967 * '' Characidium xanthopterum'' Silveira, Langeani, da Graça, Pavanelli & Buckup, 2008 * '' Characidium xavante'' da Graça, Pavanelli & Buckup, 2008 * ''

Characidium zebra ''Characidium'' is a genus of fish in the family Crenuchidae (South American darters). They are mainly found in South America, but ''C. marshi'' is from Panama. They are small (less than long), slender fish that live on the bottom in flowing fr ...

'' C. H. Eigenmann, 1909

References

{{Taxonbar, from=Q3762928 Characiformes genera Freshwater fish genera Taxa named by Johannes Theodor Reinhardt Crenuchidae