''Eigenmannia goajira'' is a

species In biology, a species is the basic unit of Taxonomy (biology), 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 ...

glass knifefish Glass knifefishes are fishes in the family Sternopygidae in the order Gymnotiformes. Species are also known as rattail knifefishes. These fishes inhabit freshwater streams and rivers in Panama and South America. Many sternopygid species are spec ...

found in the

Lake Maracaibo Lake Maracaibo ( Spanish: Lago de Maracaibo; Anu: Coquivacoa) is a lagoon in northwestern Venezuela, the largest lake in South America and one of the oldest on Earth, formed 36 million years ago in the Andes Mountains. The fault in the northern s ...

basin in Colombia and

Venezuela Venezuela (; ), officially the Bolivarian Republic of Venezuela ( es, link=no, República Bolivariana de Venezuela), is a country on the northern coast of South America, consisting of a continental landmass and many islands and islets in ...

.Dutra, G.M., Santana, C.D.d., Vari, R.P. & Wosiacki, W.B. (2014): The South American Electric Glass Knifefish Genus ''Distocyclus'' (Gymnotiformes: Sternopygidae): Redefinition and Revision. ''Copeia, 2014 (2): 345-354.''

References

Sternopygidae Freshwater fish of Colombia Fish of Venezuela Fish described in 1949 {{Gymnotiformes-stub