Species under Trichomycterus
n= 166
Species name Common name Distribution Max. Length (cm)
Trichomycterus aguarague
Fernández & Osinaga, 2006
South America
Trichomycterus albinotatus
Costa, 1992
South America 4.63
Trichomycterus alternatus
(Eigenmann, 1917)
South America 8.1
Trichomycterus alterus
(Marini, Nichols & La Monte, 1933)
South America 9.25
Trichomycterus areolatus
Valenciennes, 1846
South America 11.6
Trichomycterus argos
Lezama, Triques & Santos, 2012
South America 11.68
Trichomycterus arhuaco
Ardila Rodríguez, 2016
South America 7.02
Trichomycterus arleoi
(Fernández-Yépez, 1972)
South America 5.19
Trichomycterus atochae
(Allen, 1942)
South America
Trichomycterus auroguttatus
Costa, 1992
South America 6.06
Trichomycterus bahianus
Costa, 1992
South America 8.86
Trichomycterus balios
Ferrer & Malabarba, 2013
South America 9.24
Trichomycterus ballesterosi
Ardila Rodríguez, 2011
South America
Trichomycterus banneaui
(Eigenmann, 1912)
South America
Trichomycterus barbouri
(Eigenmann, 1911)
South America 3.7
Trichomycterus belensis
Fernández & Vari, 2002
South America 6.35
Trichomycterus bogotensis
(Eigenmann, 1912)
South America 9.4
Trichomycterus bomboizanus
(Tortonese, 1942)
South America 11.2
Trichomycterus borellii
Boulenger, 1897
South America 11
Trichomycterus boylei
(Nichols, 1956)
South America 13.3
Trichomycterus brachykechenos
Ferrer & Malabarba, 2013
South America 7.09
Trichomycterus brasiliensis
Lütken, 1874
South America 13.54
Trichomycterus brunoi
Barbosa & Costa, 2010
South America
Trichomycterus cachiraensis
Ardila Rodríguez, 2008
South America 10.9
Trichomycterus caipora
Lima, Lazzarotto & Costa, 2008
South America 11.62
Trichomycterus caliensis
(Eigenmann, 1912)
South America 5.3
Trichomycterus candidus
(Miranda Ribeiro, 1949)
South America 7.5
Trichomycterus castroi
de Pinna, 1992
South America 14.83
Trichomycterus catamarcensis
Fernández & Vari, 2000
South America 4.22
Trichomycterus caudofasciatus
Alencar & Costa, 2004
South America 5.29
Trichomycterus celsae
Lasso & Provenzano, 2003
South America
Trichomycterus chaberti
Durand, 1968
South America 11.45
Trichomycterus chapmani
(Eigenmann, 1912)
South America 11.8
Trichomycterus chiltoni
(Eigenmann, 1928)
South America 17
Trichomycterus chungaraensis
Arratia, 1983
South America 12
Trichomycterus claudiae
Barbosa & Costa, 2010
South America
Trichomycterus concolor
Costa, 1992
South America 6.43
Trichomycterus conradi
(Eigenmann, 1912)
South America 8
Trichomycterus corduvensis
Weyenbergh, 1877
South America 13.6
Trichomycterus crassicaudatus
Wosiacki & de Pinna, 2008
South America 13.45
Trichomycterus dali
Rizzato, Costa, Trajano & Bichuette, 2011
South America 7.89
Trichomycterus davisi
(Haseman, 1911)
South America 6.3
Trichomycterus diabolus
Bockmann, Casatti & de Pinna, 2004
South America 22.5
Trichomycterus diatropoporos
Ferrer & Malabarba, 2013
South America 6.83
Trichomycterus dispar
(Tschudi, 1846)
South America 26
Trichomycterus dorsostriatum
(Eigenmann, 1917)
South America 7.7
Trichomycterus duellmani
Arratia & Menu-Marque, 1984
South America 4.8
Trichomycterus emanueli
(Schultz, 1944)
South America 17.4
Trichomycterus fassli
(Steindachner, 1915)
South America 14.9
Trichomycterus fuliginosus
Barbosa & Costa, 2010
South America
Trichomycterus gabrieli
(Myers, 1926)
South America 5
Trichomycterus garciamarquezi
Ardila Rodríguez, 2016
South America 3.09
Trichomycterus gasparinii
Barbosa, 2013
South America 8.45
Trichomycterus giganteus
Lima & Costa, 2004
South America 20.4
Trichomycterus goeldii
Boulenger, 1896
South America 9.9
Trichomycterus gorgona
Fernández & Schaefer, 2005
South America 6.36
Trichomycterus guaraquessaba
Wosiacki, 2005
South America 9.15
Trichomycterus guianense
(Eigenmann, 1909)
South America 7.7
Trichomycterus heterodontus
(Eigenmann, 1917)
South America 8.3
Trichomycterus hualco
Fernández & Vari, 2009
South America 6.87
Trichomycterus igobi
Wosiacki & de Pinna, 2008
South America 9.01
Trichomycterus iheringi
(Eigenmann, 1917)
South America 16.1
Trichomycterus immaculatus
(Eigenmann & Eigenmann, 1889)
South America 9.3
Trichomycterus itacambirussu
Triques & Vono, 2004
South America 7.35
Trichomycterus itacarambiensis
Trajano & de Pinna, 1996
South America 8.3
Trichomycterus itatiayae
Miranda Ribeiro, 1906
South America 19.7
Trichomycterus jacupiranga
Wosiacki & Oyakawa, 2005
South America
Trichomycterus jequitinhonhae
Triques & Vono, 2004
South America 8.4
Trichomycterus kankuamo
Ardila Rodríguez, 2016
South America 5.92
Trichomycterus knerii
Steindachner, 1882
South America 15.5
Trichomycterus landinga
Triques & Vono, 2004
South America 4.31
Trichomycterus latidens
(Eigenmann, 1917)
South America 5.3
Trichomycterus latistriatus
(Eigenmann, 1917)
South America 4.6
Trichomycterus laucaensis
Arratia, 1983
South America 14.1
Trichomycterus lewi
Lasso & Provenzano, 2003
South America
Trichomycterus longibarbatus
Costa, 1992
South America 5.84
Trichomycterus macrophthalmus
Barbosa & Costa, 2012
South America 6
Trichomycterus macrotrichopterus
Barbosa & Costa, 2010
South America
Trichomycterus maculosus
Barbosa & Costa, 2010
South America 7.69
Trichomycterus maldonadoi
Ardila Rodríguez, 2011
South America
Trichomycterus manaurensis
Ardila Rodríguez, 2016
South America 6.19
Trichomycterus maracaiboensis
(Schultz, 1944)
South America 4.37
Trichomycterus maracaya
Bockmann & Sazima, 2004
Margay pencil catfish South America 5.1
Trichomycterus mariamole
Barbosa & Costa, 2010
South America
Trichomycterus mboycy
Wosiacki & Garavello, 2004
South America 12.57
Trichomycterus megantoni
Fernández & Chuquihuamaní, 2007
Trichomycterus megantoni has been collected at several localities from southeastern Perú at the Santuario Nacional Machiguenga Megantoni 10.09
Trichomycterus meridae
Regan, 1903
South America 9.9
Trichomycterus migrans
(Dahl, 1960)
South America 4.2
Trichomycterus mimonha
Costa, 1992
South America 7.8
Trichomycterus mimosensis
Barbosa, 2013
South America 5.43
Trichomycterus minus
Fernández & Vari, 2012
South America 7.54
Trichomycterus mirissumba
Costa, 1992
South America 5.96
Trichomycterus mondolfi
(Schultz, 1945)
South America 6.05
Trichomycterus montesi
Ardila Rodríguez, 2016
South America 11.08
Trichomycterus motatanensis
(Schultz, 1944)
South America 7.1
Trichomycterus naipi
Wosiacki & Garavello, 2004
South America 12.15
Trichomycterus nietoi
Ardila Rodríguez, 2014
South America 15.78
Trichomycterus nigricans
Valenciennes, 1832
South America 8.9
Trichomycterus nigroauratus
Barbosa & Costa, 2008
South America 7.32
Trichomycterus nigromaculatus
Boulenger, 1887
South America 16.5
Trichomycterus novalimensis
Barbosa & Costa, 2010
South America
Trichomycterus ocanaensis
Ardila Rodríguez, 2011
South America 5.2
Trichomycterus oroyae
(Eigenmann & Eigenmann, 1889)
South America
Trichomycterus pantherinus
Alencar & Costa, 2004
South America 6.99
Trichomycterus paolence
(Eigenmann, 1917)
South America 6.8
Trichomycterus papilliferus
Wosiacki & Garavello, 2004
South America 12.72
Trichomycterus paquequerense
(Miranda Ribeiro, 1943)
South America 6.8
Trichomycterus pauciradiatus
Alencar & Costa, 2006
South America 5.202
Trichomycterus payaya
Sarmento-Soares, Zanata & Martins-Pinheiro, 2011
South America 3.74
Trichomycterus perkos
Datovo, Carvalho & Ferrer, 2012
South America
Trichomycterus pirabitira
Barbosa & Azevedo-Santos, 2012
South America 7.72
Trichomycterus piurae
(Eigenmann, 1922)
South America 10.1
Trichomycterus plumbeus
Wosiacki & Garavello, 2004
South America 8.24
Trichomycterus poikilos
Ferrer & Malabarba, 2013
South America 9.25
Trichomycterus potschi
Barbosa & Costa, 2003
South America 8.05
Trichomycterus pradensis
Sarmento-Soares, Martins-Pinheiro, Aranda & Chamon, 2005
South America 11.21
Trichomycterus pseudosilvinichthys
Fernández & Vari, 2004
South America 6.69
Trichomycterus punctatissimus
Castelnau, 1855
South America 28
Trichomycterus punctulatus
Valenciennes, 1846
South America 14.5
Trichomycterus puriventris
Barbosa & Costa, 2012
South America 8.01
Trichomycterus ramosus
Fernández, 2000
South America 6.68
Trichomycterus regani
(Eigenmann, 1917)
South America 5.5
Trichomycterus reinhardti
(Eigenmann, 1917)
South America 6.5
Trichomycterus retropinnis
Regan, 1903
South America 8
Trichomycterus riojanus
(Berg, 1897)
South America 8.5
Trichomycterus rivulatus
Valenciennes, 1846
South America 37.4
Trichomycterus roigi
Arratia & Menu-Marque, 1984
South America 11
Trichomycterus romeroi
(Fowler, 1941)
South America 6.6
Trichomycterus rubbioli
Bichuette & Rizzato, 2012
South America 6.41
Trichomycterus rubiginosus
Barbosa & Costa, 2010
South America
Trichomycterus ruitoquensis
Ardila Rodríguez, 2007
South America
Trichomycterus sandovali
Ardila Rodríguez, 2006
South America
Trichomycterus santaeritae
(Eigenmann, 1918)
South America 6.6
Trichomycterus santanderensis
Castellanos-Morales, 2007
South America 10.07
Trichomycterus sketi
Castellanos-Morales, 2011
South America 6.15
Trichomycterus spegazzinii
(Berg, 1897)
South America 10.8
Trichomycterus spelaeus
DoNascimiento, Villarreal & Provenzano, 2001
South America 5.41
Trichomycterus spilosoma
(Regan, 1913)
South America 25
Trichomycterus stawiarski
(Miranda Ribeiro, 1968)
South America 8.5
Trichomycterus steindachneri
DoNascimiento, Prada-Pedreros & Guerrero-Kommritz, 2014
South America 14.35
Trichomycterus stellatus
(Eigenmann, 1918)
South America 7.8
Trichomycterus straminius
(Eigenmann, 1917)
South America 6.7
Trichomycterus striatus
(Meek & Hildebrand, 1913)
Central and South America 8.4
Trichomycterus taczanowskii
Steindachner, 1882
South America 11.3
Trichomycterus taenia
Kner, 1863
South America 11.1
Trichomycterus taeniops
Fowler, 1954
South America 9.2
Trichomycterus taroba
Wosiacki & Garavello, 2004
South America 5.87
Trichomycterus tenuis
Weyenbergh, 1877
South America 11.7
Trichomycterus tete
Barbosa & Costa, 2011
South America 6.13
Trichomycterus therma
Fernández & Miranda, 2007
South America 5.84
Trichomycterus tiraquae
(Fowler, 1940)
South America 6.01
Trichomycterus torcoromaensis
Ardila Rodríguez, 2016
South America 6.37
Trichomycterus transandianus
(Steindachner, 1915)
South America 6.1
Trichomycterus trefauti
Wosiacki, 2004
South America
Trichomycterus triguttatus
(Eigenmann, 1918)
South America 3.6
Trichomycterus tropeiro
Ferrer & Malabarba, 2011
South America
Trichomycterus tupinamba
Wosiacki & Oyakawa, 2005
South America
Trichomycterus uisae
Castellanos-Morales, 2008
Trepador South America 7.25
Trichomycterus unicolor
(Regan, 1913)
South America 8.5
Trichomycterus variegatus
Costa, 1992
South America 4.04
Trichomycterus venulosus
(Steindachner, 1915)
South America 12.5
Trichomycterus vermiculatus
(Eigenmann, 1917)
South America 13.1
Trichomycterus vittatus
Regan, 1903
South America 7.8
Trichomycterus weyrauchi
(Fowler, 1945)
South America 4.9
Trichomycterus yuska
Fernández & Schaefer, 2003
South America 9.73
Trichomycterus zonatus
(Eigenmann, 1918)
South America 6.2
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