TextureThe digestive tract can sometimes feel gritty, especially in larger shrimp.AppearanceThe dark line can look unappetizing to some people, even if it is harmless.Personal preferenceMany people simply prefer the look and cleanliness of deveined shrimp.
So while it is commonly done, it is not a mandatory step in food preparation.
Why some people don’t devein shrimp at all
It might seem surprising,
but in many cultures and households, shrimp are routinely cooked and eaten without deveining.
Reasons include: