Which South American river basins include the native habitat of Pristella maxillaris?
Answer
Amazon and Orinoco River basins
The X-Ray Tetra originates from the warm waters of South America, specifically inhabiting parts of the Amazon River basin and the Orinoco River basin. These environments typically feature slower currents, and the fish are often found in blackwater or clearwater streams and tributaries within these extensive systems. Understanding this origin explains their requirement for warmer water temperatures when kept in captivity.

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