🐟 Finfish and Shellfish Products

Calories in Lobster, tail only

The vivid red shell of a cooked lobster hides a pigment that becomes a powerful antioxidant only when released by heat.

Lobster, tail only — 59 calories per 100g, nutrition facts
59 kcal
per 100g
Protein 13g
Carbs 0.89g
Fat 0.37g

What makes lobster so powerful?

Lobsters possess a pigment called astaxanthin in their shells. In a live lobster, this pigment is bound to a protein complex called crustacyanin, which twists the pigment molecules and alters their light absorption, making the shell appear blue or greenish-brown. When the lobster is boiled, the heat denatures the crustacyanin protein, releasing the astaxanthin and allowing it to revert to its natural, vibrant red-orange state. Beyond the shell, the tail meat itself is an exceptionally lean source of complete protein, largely composed of fast-twitch muscle fibers designed for rapid, powerful backward escapes from predators. This muscle structure gives the tail its characteristic firm, slightly chewy texture compared to the softer claw meat. Because the tail contains very little intramuscular fat—less than half a gram per 100 grams—it relies heavily on moisture retention during cooking. Overcooking quickly squeezes out this water, resulting in a tough, rubbery texture, which is why precise temperature control is critical when preparing this prized cut.

🦞
Low-calorie protein powerhouse
With 13 grams of protein and under 60 calories per 100 grams, lobster tail is one of the leanest animal proteins available.
🔥
Heat unlocks the pigment
Boiling denatures the crustacyanin protein in the shell, releasing the astaxanthin pigment to reveal the iconic bright red color.
🏃
Fast-twitch escape muscle
The tail is packed with fast-twitch muscle fibers built for rapid backward swimming, giving the meat a uniquely firm texture.
💡 When & how to use it

Because lobster tail is so low in fat, it dries out quickly if overcooked. To preserve moisture, steam or grill the tail just until the meat turns opaque and reaches an internal temperature of 135°F to 140°F. Avoid prolonged boiling. Serve it with a source of healthy fats, like drawn butter or olive oil, to aid in the absorption of fat-soluble vitamins and provide satiety, since the meat itself contains almost zero dietary fat. Pairing it with acidic ingredients like lemon also helps brighten its naturally sweet, mild flavor.

Calories by Serving Size

100g
59 kcal
P 13g C 0.89g F 0.37g
200g
118 kcal
P 26g C 1.8g F 0.7g
50g
30 kcal
P 6.5g C 0.4g F 0.2g
grams = 59 kcal

Full Nutrition Facts

Per 100g — daily values based on a 2,000 calorie diet

Nutrition Facts
Serving size: 100g
Calories 59
% Daily Value*
Total Fat 0.37g 0%
Sodium 509mg 22%
Total Carbohydrate 0.89g 0%
Protein 13g 26%
Calcium 71.6mg 6%
Iron 0.17mg 1%
Potassium 213mg 5%
* Percent Daily Values are based on a 2,000 calorie diet. Your daily values may be higher or lower depending on your calorie needs.

How does Lobster fit your daily goals?

🏃
12 min
Walking to burn 59 kcal
🎯
3%
of 2,000 kcal daily goal
💪
13g
protein (26% of daily 50g)
34
servings until 2,000 kcal
🍎

Log Lobster in CalRay — just snap a photo

CalRay's AI recognizes lobster and hundreds of thousands of other foods from a photo. No manual lookup needed.

Frequently Asked Questions

How many calories are in Lobster, tail only?

Lobster, tail only contains 59 calories per 100g. It is a moderate-calorie food that can fit into most healthy diets.

How much protein does Lobster, tail only have?

Lobster, tail only provides 13g of protein per 100g, which is 26% of the 50g daily recommended value. It is a good source of protein.

How many carbs are in Lobster, tail only?

Lobster, tail only contains 0.89g of carbohydrates per 100g .

Is Lobster, tail only good for weight loss?

Lobster, tail only has 59 kcal per 100g, which is relatively moderate. It can fit into a weight-loss diet as long as portion sizes are managed.

How do I track Lobster, tail only calories accurately?

The easiest way to track lobster is with CalRay. Simply snap a photo of your meal and the AI will automatically identify the food and calculate calories and macros based on the estimated portion size — no manual lookup required. You can also search by name and adjust gram weight manually.

🍽️ Perfectly Pairs With Lobster

See all →