Which specific region implies Eunectes notaeus, the Southern Anaconda, is the likely species?
Answer
The Pantanal region of South America
Taxonomic identification provides crucial geographical context, especially when considering closely related species within a genus. Since *Eunectes notaeus* is commonly referred to as the Southern Anaconda and its range includes areas like Paraguay, Bolivia, and Southern Brazil, encountering it is highly probable in regions like the Pantanal. This contrasts with *E. murinus*, which is associated more closely with the Amazonian region, making the Pantanal a likely identifier for *E. notaeus* among the heavy-bodied, aquatic New World snakes.

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