A pescatarian is someone who adds fish and seafood to a vegetarian diet. Some pescatarians may eat eggs and dairy, while others may not.
There are many reasons people choose to forgo red meat and poultry, but still eat fish.
Some people choose to add fish to a vegetarian diet so they can get the health benefits of a plant-based diet plus heart-healthy fish.
Others might be trying to curb the environmental impact of their diet. For some, it might be simply a matter of taste.
This article explains more about the benefits and drawbacks of a pescatarian diet, including exactly what a pescatarian does and doesn’t eat.