How does the species designation *P. leopoldi* typically differ morphologically from other Amazonian *Potamotrygon* species?

Answer

It is characterized by larger, often more irregularly shaped white markings against a dark background

Within the diverse *Potamotrygon* family, species are differentiated by subtle, consistent, and measurable variations in characteristics such as coloration, spot size, and body outline. The designation for *P. leopoldi* specifically relies on its distinctive pattern—larger, frequently irregular white markings set against a dark dorsal base. This pattern distinguishes it from other recognized Amazonian species within the genus, some of which might exhibit patterns composed of numerous, smaller, uniform spots. These consistent morphological differences are crucial data points used by taxonomists to justify assigning the specific *leopoldi* epithet rather than grouping it into a more generalized classification.

How does the species designation *P. leopoldi* typically differ morphologically from other Amazonian *Potamotrygon* species?
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