its also called lower amazonas.. it was found in 2006
Common names:
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Tucunaré pinima (BR).
Type locality:
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Brazil: Pará: Rio Curuá-Una, Km 30.
Distribution:
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Lower Rio Tapajós, Rio Curuá-Una, lower Rio Xingu, lower Rio Tocantins, and Rio Capim; uncertain localities in southern Amapá and Rio Arapiuns, introduced in Rio Paraguaçu in eastern Brazil, and probably elsewhere in northeastern Brazil (Kullander & Ferreira, 2006).