Research team collects fish specimen

Murilo N.L. Pastana & Willian M. Ohara
May 16, 2022
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Three people wade in a river to carry a fish using a tarp
Murilo N.L. Pastana & Willian M. Ohara

The research team, including Murilo Pastana (center) and Willian Ohara (right), collecting specimens next to a river bank after fishing with a seine net near Apuí, Amazonas State, Brazil.

Smithsonian’s National Museum of Natural History researcher Murilo Pastana and his colleagues have discovered and described two new species of Amazonian fish—one with striking red-orange fins and the other so small it is technically considered a miniature fish species—in a paper published today, May 16, in the Zoological Journal of the Linnean Society. Both species inhabit waters located at the bleeding edge of human encroachment into the Amazon rainforest roughly 25 miles north of the Brazilian city of Apuí.


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