Octopus, like nearly all seafood, is lean and low in calories. A 3-ounce serving of octopus has less than 150 calories and more than 25 grams of protein. Octopus is naturally low in fat, but it is high in cholesterol, which can be harmful if you consume too much. This type of seafood is full of several key nutrients, including trace minerals and vitamin B-12.
Keep your serving of octopus healthy by opting for healthy low-fat cooking methods to avoid adding excessive fat and calories.