I bought a little green puffer fish and ate it for four or five days without eating anything. Some people said that I gave it a small shrimp skin to eat, but I still didn't eat it.

Small puffer fish is a kind of freshwater fish, which usually feeds on small invertebrates and small vertebrates. When buying small puffer fish, we should choose healthy and active individuals and provide them with an aquarium environment suitable for their survival as much as possible.

When feeding small puffer fish, we should choose foods suitable for it, such as small invertebrates (such as red worms and water fleas) and small vertebrates (such as small fish and shrimp). It is best not to feed it with human food, especially with high salt content, because it may have a bad influence on its health.

If your little puffer fish has been unwilling to eat for four or five days, you can consider the following measures:

1. Check the water quality: make sure the water quality of the aquarium is clean and provide enough oxygen to keep the little puffer fish healthy.

2. Try different foods: In addition to small shrimp skins, you can try other foods suitable for small puffer fish, such as live small fish, shrimp and earthworms.

3. Observe the state of the little puffer fish: If the little puffer fish still refuses to eat and shows unhealthy symptoms, such as floating on the water and shortness of breath, it is recommended to consult a veterinarian or professional aquarium staff as soon as possible.

In short, in order to keep the little puffer fish healthy, we should provide it with an environment suitable for its survival, choose food suitable for it and pay close attention to its state.