West Lake Vinegar Fish is a traditional dish in Hangzhou, and there are many restaurants and small stores that serve this dish. Here are some small stores that might be good for West Lake Vinegar Fish:

1. Hubin 28 Restaurant: Located on the edge of the West Lake, Hubin 28 Restaurant is a relatively upscale restaurant serving a variety of cuisines, including traditional Hangzhou dishes such as West Lake Vinegar Fish, Longjing Shrimp, and Dongpo Pork.

2. Louwailou: Louwailou is one of the famous restaurants by the West Lake, offering traditional Hangzhou dishes such as West Lake Vinegar Fish, Longjing Shrimp, and Called Chicken.

3. New White Deer Restaurant: New White Deer Restaurant is a well-known Hangzhou restaurant offering a variety of cuisines, including traditional Hangzhou dishes and innovative ones.

4. Nanshan Renjia: Nanshan Renjia is a snack bar located on the edge of the West Lake, offering a variety of delicious snacks, such as dumplings, stinky tofu, and sugar fire roast.

5. Xihu Tiandi: Xihu Tiandi is a commercial complex integrating shopping, dining and leisure, offering a variety of food and drinks, making it a good place to get together.

To summarize, there are a lot of delicious small West Lake vinegar fish restaurants by the West Lake, so you can choose a place that suits your taste and budget.