''Nematobrycon lacortei'' is a

species In biology, a species is the basic unit of 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 the appropriate s ...

of fish in genus ''

Nematobrycon ''Nematobrycon'' is a genus of characins endemic Endemism is the state of a species being found in a single defined geographic location, such as an island, state, nation, country or other defined zone; organisms that are indigenous to a pl ...

''. The species is also known as Rainbow Tetra is a freshwater characiformes notable for its iridescent sheen from which its name is derived.

References

Rhoadsiini Endemic fauna of Colombia Freshwater fish of Colombia Fish described in 1971 {{Characidae-stub