Are prawns head full of poop?

Chef's answer
it is actually not a vein (in the circulatory sense.) It is the shrimp's intestinal tract, and its dark color means it is filled with grit or other feces. The intestinal tract is often dark brown to black appeared more visibly on bigger shrimp like prawn.
Frequently asked Questions 🎓
Shrimp are also low in fat, calories, and carbohydrates, which makes them a good choice for dogs on a diet. However, shrimp are high in cholesterol. This means that while an occasional shrimp is a healthy treat, too many shrimp can contribute to unhealthy levels of cholesterol in your dog's diet.24 Aug 2016
Shrimp may have a variety of health benefits. It is high in several vitamins and minerals, and is a rich source of protein. Eating shrimp may also promote heart and brain health due to its content of omega-3 fatty acids and the antioxidant astaxanthin ( 6 , 11 , 12 , 13 ).16 Feb 2018
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