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Fish Identification: Find Species

Class: Teleostei
Order: Gymnotiformes
Family: Sternopygidae Glass knifefishes

Genus: Sternopygus

(See list of species below)



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9 species
(see list below)
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Scientific Name English Name Distribution Max. Length (cm) Year
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



Other identification tools in FishBase


Quick Identification
Identification keys
Identification by morphometrics
Identification by pictures:
          If you already know the Family, go to Search FishBase, select Family and click on 'Identification by pictures' to display all available pictures in FishBase for the family.

          If you already know the Country, go to
Search FishBase, select Country and click on 'Identification by pictures' to display all available pictures in FishBase for the country.

          If you already know the Ecosystem, go to
Search FishBase, select Ecosystem and click on 'Identification by pictures' to display all available pictures in FishBase for the ecosystem.
cfm script by eagbayani, 30.11.04, ,  php script by cmilitante, 05/11/2010 ,  last modified by cmilitante, 14/03/2013