Seafood Calories

Seafood calories are not only low, they provide a rich source of protein, omega-3 fatty acids (good fat), and many vitamins and minerals.

The Seafood we list below can be broken into two types of seafood:

  • molluscs, such as squid, octopus, shellfish etc.
  • crustaceans, such as crab and lobster.

In the United Kingdom, the Food Standards Agency recommends that we eat two portions of Seafood every week.

Countries that have a diet rich in Seafood generally have a low incidence of heart disease. Seafood is also thought to help brain development, lessen our levels of stress and reduce pain in our joints.

The calories in Seafood vary, so we’ve summarized them below. Check out each one to understand their nutritional information in more detail. All of our calorie information is provided by the US Department of Agriculture.

Seafood is ideal to help you on your weight loss journey, but please note that seafood calories dramatically increase if they are deep fried in oil. Seafood can enhance your weight loss because of the omega-3 fatty acids. Omega-3 fatty acids decrease the growth of fat cells, which may reduce body fat.

For information on fish, look at Calories in Fish.

Calories in Seafood

Calories in Seafood

(per 3.5 oz or 100 grams)


Calories in Clams
74 kcal raw
148 kcal cooked, moist heat
202 kcal breaded, fried

Calories in Crab
84 kcal raw
97 kcal cooked, moist heat

Calories in Crayfish, wild/farmed
72/77 kcal raw
82/87 kcal cooked, moist heat

Calories in Cuttlefish
79 kcal raw
158 kcal cooked, moist heat

Calories in Lobster, northern/spiny lobster
90/112 kcal raw
98/143 kcal cooked, moist heat

Calories in Mussels,
86 kcal raw
172 kcal cooked, moist heat

Calories in Octopus
82 kcal raw
164 kcal cooked, moist heat

Calories in Oysters, wild/farmed
68/59 kcal raw
137 kcal cooked, moist heat
72/79 kcal dry heat

Calories in Scallops
88 kcal raw
112 kcal steamed
215 kcal breaded and fried

Calories in Shrimp
106 kcal raw
99 kcal cooked, moist heat
242 kcal breaded and fried

Calories in Squid
92 kcal raw
175 kcal cooked, fried







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