Nannostomus marilynae

Marilyn's/greenstripe pencilfish
Scientific classification
Kingdom:	Animalia
Phylum:	Chordata
Class:	Actinopterygii
Order:	Characiformes
Family:	Lebiasinidae
Genus:	Nannostomus
Species:	N. marilynae
Binomial name
Nannostomus marilynae S. H. Weitzman & Cobb, 1975

Nannostomus marilynae, commonly known as Marilyn's or greenstripe pencilfish, is a freshwater species of fish belonging to the Lebiasinidae family of characins. They have been recorded from the Rio Negro and Rio Orinoco regions of Brazil, Venezuela, and Colombia.

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Wikipedia