What major geographic feature acts as a dispersal barrier between *E. ocellatus* and *E. pyramidum*?

Answer

The vast Sahara

The gap between the West African *E. ocellatus* and the North African *E. pyramidum* is influenced by the vast Sahara, which functions as a significant dispersal barrier.

What major geographic feature acts as a dispersal barrier between *E. ocellatus* and *E. pyramidum*?
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