It means extremely timid. Scaring Pipi shrimp is very timid. Pippi shrimp, the scientific name is "squid shrimp", also known as Setaria viridis shrimp. The body of Pippi shrimp is long and narrow, slightly flat. The head breastplate only covers the first four sections of the head and chest, and the last four sections of the chest are exposed and can move. The abdomen has seven segments, and the boundary is obvious, but it is bigger and wider than the head and chest. There are a pair of big compound eyes with handles and two pairs of antennae at the front end of the head. Pipi shrimp refers to some words such as mussels and winter melon skin on the internet, which have no special meaning.