The Romans used both north African elephants (now extinct) and Asian elephants which they got by long-distance trade. Apparently the Asian elephants were larg

The Romans used both north African elephants (now extinct) and Asian elephants which they got by long-distance trade. Apparently the Asian elephants were larger; and besides I suppose India and Sri Lanka also had better infrastructure for catching and training war elephants than the Roman Empire did. [1]: https://en.wikipedia.org/wiki/War_elephant https://en.wikipedia.org/wiki/War_elephant