Edible red seaweed is a type of seaweed known as dulse (5 letters). Dulse is a type of seaweed that grows in the cold waters of the North Atlantic and North Pacific oceans. It has a reddish-brown color and a salty, savory flavor. It is often eaten raw or cooked and is a popular ingredient in many dishes. It is also high in protein, vitamins, and minerals, making it a nutritious addition to any diet.