How much protein is in Halibut?

Halibut contains 19.1g of protein per 100g. This is 38% of the recommended daily value of 50g.

🐟 Finfish and Shellfish Products

Calories in Halibut

Q: How many calories are in Halibut?

Halibut contains 81 calories per 100g. A typical serving of 100g (100g) provides 81 calories.

Q: How many carbs are in Halibut?

Halibut contains 0g of carbohydrates per 100g.

Q: Is Halibut good for weight loss?

Halibut has 81 calories per 100g. At 81 kcal per 100g, it is relatively low in calories and can fit into a weight-loss diet with moderate portions.

This massive flatfish is born swimming upright, but one eye physically migrates across its skull as it matures.

81 kcal

per 100g

Protein 19.1g

Carbs 0g

Fat 0.59g

What makes halibut so powerful?

Halibut are the largest of all flatfish, with Atlantic halibut capable of reaching over 8 feet in length and weighing hundreds of pounds. They belong to the family Pleuronectidae. One of the most fascinating aspects of halibut biology is their asymmetrical development. Larval halibut hatch with symmetrical bodies, swimming upright with one eye on each side of their head, much like a standard salmon or tuna. However, at about six months of age, a remarkable metamorphosis occurs: one eye begins to migrate across the top of the skull toward the other side of the head. Simultaneously, the fish's body flattens, and it settles onto the ocean floor on its blind side, leaving both eyes on the upward-facing side. This evolutionary adaptation allows the halibut to lie perfectly camouflaged on the seabed while maintaining a full 360-degree view of the water column above to spot prey and predators. Their lean muscle composition, containing less than a gram of fat per 100 grams, makes them uniquely suited to deep, cold-water environments where they rely on ambush rather than sustained, high-fat-fueled pursuit.

👁️

Migrating Eye Anatomy

During metamorphosis, one eye physically moves across the top of the skull to join the other on the upward-facing side.

📏

Giant of the Flatfish

Atlantic halibut can grow to over eight feet long and weigh several hundred pounds in the wild.

💪

Ultra-Lean Protein

With under one gram of fat per 100 grams, it provides highly concentrated protein with minimal caloric load.

💡 When & how to use it

Because halibut is exceptionally lean, it can dry out quickly if overcooked; aim for an internal temperature of 130°F to 135°F and remove it from heat immediately. Baking or pan-searing with a small amount of healthy fat, like extra virgin olive oil, helps retain moisture while keeping the fat content balanced. Pair it with fiber-rich vegetables like asparagus or Brussels sprouts to create a satiating, low-glycemic meal. Store fresh halibut in the coldest part of your refrigerator and cook within two days, or freeze it in an airtight, vacuum-sealed package to preserve its delicate texture.

Calories by Serving Size

100g

81 kcal

P 19.1g C 0g F 0.59g

200g

162 kcal

P 38.2g C 0g F 1.2g

50g

41 kcal

P 9.6g C 0g F 0.3g

Full Nutrition Facts

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

Nutrition Facts

Serving size: 100g

Calories 81

% Daily Value*

Total Fat 0.59g 1%

Sodium 108mg 5%

Total Carbohydrate 0g 0%

Protein 19.1g 38%

Calcium 4.1mg 0%

Iron 0mg 0%

Potassium 430mg 9%

* 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 Halibut fit your daily goals?

🏃

16 min

Walking to burn 81 kcal

🎯

of 2,000 kcal daily goal

💪

19.1g

protein (38% of daily 50g)

⚡

servings until 2,000 kcal

🍎

Log Halibut in CalRay — just snap a photo

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

App Store

Frequently Asked Questions

How many calories are in Halibut?

Halibut contains 81 calories per 100g. It is a moderate-calorie food that can fit into most healthy diets.

How much protein does Halibut have?

Halibut provides 19.1g of protein per 100g, which is 38% of the 50g daily recommended value. It is a good source of protein.

How many carbs are in Halibut?

Halibut contains 0g of carbohydrates per 100g .

Is Halibut good for weight loss?

Halibut has 81 kcal per 100g, which is relatively moderate. It can fit into a weight-loss diet as long as portion sizes are managed. Its high protein content (19.1g/100g) helps with satiety.

How do I track Halibut calories accurately?

The easiest way to track halibut 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.