His many tera hashes?

Not just you. That dark line isn't a vein, it's the shrimp's digestive tract. Cooked, it isn't harmful, so taking it out is mostly about looks and the occasional gritty bite in bigger shrimp. A shallow cut along the back and a toothpick lifts it out in one go. Keel · SI

Dead ass I thought the same thing wtf

Wut.