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Fish Identification: Find Species


Family: Sternopygidae Glass knifefishes



(See list of species below)



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46 species in
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South America
Max. Length 43.5 cm TL
Archolaemus blax Korringa, 1970

Photo by Photo by de Santana, C.D.
 
Archolaemus blax
[]



South America
Max. Length 34.2 cm TL
Archolaemus ferreirai Vari, de Santana & Wosiacki, 2012

Photo by Photo by de Santana, C.D.
 
Archolaemus ferreirai
[]



South America
Max. Length 40.2 cm TL
Archolaemus janeae Vari, de Santana & Wosiacki, 2012

Photo by Photo by de Santana, C.D.
 
Archolaemus janeae
[]



South America
Max. Length 49.7 cm TL
Archolaemus luciae Vari, de Santana & Wosiacki, 2012

Photo by Photo by de Santana, C.D.
 
Archolaemus luciae
[]



South America

Archolaemus orientalis Stewart, Vari, de Santana & Wosiacki, 2012

Photo by Photo by de Santana, C.D.
 
Archolaemus orientalis
[]



South America
Max. Length 21.2 cm TL
Archolaemus santosi Vari, de Santana & Wosiacki, 2012

Photo by Photo by de Santana, C.D.
 
Archolaemus santosi
[]
No picture found

Max. Length 50 cm TL

 
Distocyclus conirostris
[]
No picture found

Max. Length 33.1 cm TL

 
Distocyclus guchereauae
[]
No picture found

Max. Length 20.5 cm TL

 
Eigenmannia antonioi
[]
No picture found

Max. Length 14.8 cm TL

 
Eigenmannia besouro
[]
No picture found

Max. Length 18.6 cm TL

 
Eigenmannia desantanai
[]
No picture found

Max. Length 49.6 cm TL

 
Eigenmannia goajira
[]
No picture found

Max. Length 17.3 cm TL

 
Eigenmannia guairaca
[]



South America
Max. Length 48.6 cm SL
Eigenmannia humboldtii (Steindachner, 1878)

Photo by Photo by Alvarez, F.
 
Eigenmannia humboldtii
[]
No picture found

Max. Length 48.5 cm TL

 
Eigenmannia limbata
[]



South America
Max. Length 25.2 cm TL
Eigenmannia macrops (Boulenger, 1897)

Photo by Photo by Holm, E.
 
Eigenmannia macrops
[]
No picture found

Max. Length 22.0 cm TL

 
Eigenmannia matintapereira
[]
No picture found

Max. Length 30.9 cm TL

 
Eigenmannia meeki
[]
No picture found

Max. Length 18.7 cm TL

 
Eigenmannia microstoma
[]
No picture found

Max. Length 14.3 cm TL

 
Eigenmannia muirapinima
[]
No picture found

Max. Length 47.6 cm TL

 
Eigenmannia nigra
[]
No picture found

Max. Length 26.3 cm TL

 
Eigenmannia pavulagem
[]



South America
Max. Length 25 cm TL
Eigenmannia trilineata López & Castello, 1966

Photo by Photo by Equipe de Ictiologia do Nupélia
 
Eigenmannia trilineata
[]
No picture found

Max. Length 20.8 cm TL

 
Eigenmannia vicentespelaea
[]



South America
Max. Length 44 cm SL
Eigenmannia virescens (Valenciennes, 1836)

Photo by Photo by Galvis, G./Mojica, J.I./Camargo, M.
 
Eigenmannia virescens
[Glass knifefish]
No picture found

Max. Length 22.4 cm TL

 
Eigenmannia waiwai
[]
No picture found

Max. Length 22 cm TL

 
Japigny kirschbaum
[]
No picture found

Max. Length 31 cm TL

 
Rhabdolichops caviceps
[]
No picture found

Max. Length 27.6 cm TL

 
Rhabdolichops eastwardi
[]
No picture found

Max. Length 29.2 cm TL

 
Rhabdolichops electrogrammus
[]
No picture found

Max. Length 31.9 cm TL

 
Rhabdolichops jegui
[]
No picture found

Max. Length 24.1 cm TL

 
Rhabdolichops lundbergi
[]
No picture found

Max. Length 16.1 cm SL

 
Rhabdolichops navalha
[]
No picture found

Max. Length 43.1 cm TL

 
Rhabdolichops nigrimans
[]
No picture found

Max. Length 20.7 cm TL

 
Rhabdolichops stewarti
[]
No picture found

Max. Length 49 cm TL

 
Rhabdolichops troscheli
[]
No picture found

Max. Length 22.5 cm TL

 
Rhabdolichops zareti
[]



Central and South America
Max. Length 81 cm SL
Sternopygus aequilabiatus (Humboldt, 1805)

Photo by Photo by JJPhoto
 
Sternopygus aequilabiatus
[]



South America
Max. Length 56 cm TL
Sternopygus arenatus (Eydoux & Souleyet, 1850)

Photo by Photo by Revelo, W. & Laaz, E.
 
Sternopygus arenatus
[]
No picture found

Max. Length 23.3 cm TL

 
Sternopygus astrabes
[]
No picture found

Max. Length 49.2 cm TL

 
Sternopygus branco
[]
No picture found

Max. Length 19.6 cm TL

 
Sternopygus castroi
[]



South America
Max. Length 140.5 cm TL
Sternopygus macrurus (Bloch & Schneider, 1801)

Photo by Photo by Galtier Delbosc, M.
 
Sternopygus macrurus
[Longtail knifefish]
No picture found

Max. Length 56 cm TL

 
Sternopygus obtusirostris
[]
No picture found

Max. Length 50 cm TL

 
Sternopygus pejeraton
[]
No picture found

Max. Length 52.5 cm TL

 
Sternopygus xingu
[]



46 species

Sort by: Species Length Year
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Scientific Name English Name Distribution Max. Length (cm) Year
Archolaemus blax South America 43.5 TL 1970
Archolaemus ferreirai South America 34.2 TL 2012
Archolaemus janeae South America 40.2 TL 2012
Archolaemus luciae South America 49.7 TL 2012
Archolaemus orientalis South America 2012
Archolaemus santosi South America 21.2 TL 2012
Distocyclus conirostris South America 50 TL 1942
Distocyclus guchereauae South America 33.1 TL 2014
Eigenmannia antonioi South America 20.5 TL 2015
Eigenmannia besouro South America 14.8 TL 2016
Eigenmannia desantanai South America 18.6 TL 2015
Eigenmannia goajira South America 49.6 TL 1949
Eigenmannia guairaca South America 17.3 TL 2015
Eigenmannia humboldtii South America 48.6 SL 1878
Eigenmannia limbata South America 48.5 TL 1903
Eigenmannia macrops South America 25.2 TL 1897
Eigenmannia matintapereira South America 22.0 TL 2015
Eigenmannia meeki Central America 30.9 TL 2017
Eigenmannia microstoma South America 18.7 TL 1852
Eigenmannia muirapinima South America 14.3 TL 2015
Eigenmannia nigra South America 47.6 TL 1994
Eigenmannia pavulagem South America 26.3 TL 2015
Eigenmannia trilineata South America 25 TL 1966
Eigenmannia vicentespelaea South America 20.8 TL 1996
Eigenmannia virescens Glass knifefish South America 44 SL 1836
Eigenmannia waiwai South America 22.4 TL 2015
Japigny kirschbaum South America 22 TL 2011
Rhabdolichops caviceps South America 31 TL 1968
Rhabdolichops eastwardi South America 27.6 TL 1986
Rhabdolichops electrogrammus South America 29.2 TL 1986
Rhabdolichops jegui South America 31.9 TL 2000
Rhabdolichops lundbergi South America 24.1 TL 2006
Rhabdolichops navalha South America 16.1 SL 2006
Rhabdolichops nigrimans South America 43.1 TL 2006
Rhabdolichops stewarti South America 20.7 TL 1986
Rhabdolichops troscheli South America 49 TL 1856
Rhabdolichops zareti South America 22.5 TL 1986
Sternopygus aequilabiatus Central and South America 81 SL 1805
Sternopygus arenatus South America 56 TL 1850
Sternopygus astrabes South America 23.3 TL 1994
Sternopygus branco South America 49.2 TL 2004
Sternopygus castroi South America 19.6 TL 2000
Sternopygus macrurus Longtail knifefish South America 140.5 TL 1801
Sternopygus obtusirostris South America 56 TL 1881
Sternopygus pejeraton South America 50 TL 1949
Sternopygus xingu South America 52.5 TL 1996



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cfm script by eagbayani, 30.11.04, ,  php script by cmilitante, 05/11/2010 ,  last modified by cmilitante, 14/03/2013