螃蟹的品种及图片

蟹有很多品种，以下是一些常见的螃蟹品种及图片：
1. 大闸蟹
![大闸蟹](https://img1.baidu.com/it/u=2521878303,2305271688&fm=26&fmt=auto)
2. 河蟹
![河蟹](https://img2.baidu.com/it/u=1937207852,2688557075&fm=26&fmt=auto)
3. 青蟹
![青蟹](https://img2.baidu.com/it/u=3969645216,110105280&fm=26&fmt=auto)
4. 红蟹
![红蟹](https://img2.baidu.com/it/u=1032284371,2454447261&fm=26&fmt=auto)
5. 雪蟹
![雪蟹](https://img2.baidu.com/it/u=3375215163,1200635413&fm=26&fmt=auto)