1, different places of origin: sturgeon is mainly distributed in the Songhua River, Ussuri River and Jinsha River Basin. Mahi-mahi is mainly distributed in the Yangtze River below to the sea between.
2, different habits: sturgeon is mainly distributed in freshwater, like in the slow current activities, mahi-mahi is a benthic fish.
3, the breeding period is different: sturgeon is generally born about 5 months can be reproduced, the mahi-mahi need a few years or even more than a dozen years to develop and mature.