1. Appearance characteristics: Yan mother sturgeon body shape is more rounded, top flat, mouth and head smaller. Vegetable sturgeon body shape is more flat, lateral compression, mouth slightly larger, head is also larger.

2. Living environment: swallow mother sturgeon is more suitable to live in the ocean, while the vegetable sturgeon live in freshwater waters, such as lakes and rivers.

3. Distribution area: swallow mother sturgeon in the East China Sea, Yellow Sea, Bohai Sea, the South China Sea, the Ryukyu Islands, the Korean Peninsula and other areas of the sea are distributed. And the vegetable sturgeon is mainly distributed in the domestic Jiangsu, Zhejiang, Hubei, Hunan, Chongqing, Sichuan and other inland rivers and lakes.

Overall, swallow mother sturgeon and vegetable sturgeon have obvious differences in appearance, living environment and distribution areas.