The painter who is famous for painting shrimp is

qi Baishi.

According to Baidu Encyclopedia, Qi Baishi is a famous master of calligraphy and painting and a master of calligraphy and seal cutting in the 2th century. His paintings combine the simple folk art style with the traditional literati painting style, reaching the peak of modern flower-and-bird painting in China. After the age of 8, his shrimp painting skills are quite exquisite and amazing.