Oyster mushrooms are a type of edible fungus known for their fan-shaped caps and delicate flavor. They typically grow in clusters on decaying wood and are commonly found in temperate and tropical regions. Their colors can range from white to gray, yellow, or pink, depending on the variety. These mushrooms are rich in nutrients, including vitamins B and D, as well as minerals like potassium and iron. They are often used in cooking for their tender texture and ability to absorb flavors, making them a popular choice in various dishes, including stir-fries and soups.