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A whole rockfish with mottled reddish-brown scales, a broad head, prominent eyes, and a spiny dorsal fin rests on a plate.
●Low GI
★Natural
⚡High Potassium

Rockfish Calories

Lean, high-protein marine fish

In season: Spring · Summer · Autumn · Winter

CALORIES · 100 G

94kcal

GI

0low

POTASSIUM · 100 G

340mg

FIBER · 100 G

0g

Quick answer

1 piece (medium) of Rockfish (140 g) has 132 calories. That works out to 94 calories per 100 g. It contains 0 g of carbs, 26 g of protein, 2.9 g of fat and 0 g of fiber. Its 2.4 µg of B12 covers 99% of the Daily Value. Its glycemic index is 0 (low), so it raises blood sugar slowly.

Rockfish Nutrition Facts

Selected: 1 piece (medium) · 140 g

132

KCAL / 140G

Carbs

0g

· 0% DV

Protein

26g

· 52% DV

Fat

2.9g

· 4% DV

Fiber

0g

· 0% DV

DV is the share of the daily value covered, on a 2,000 kcal reference diet.

Calories come from: Carbs 0% · Protein 80% · Fat 20%

Rockfish nutrition facts table · 1 piece (medium) (140 g)

NutrientAmount% DV
Calories132 kcal
Total fat2.9 g4%
Saturated fat0.63 g3%
Trans fat0 g
Sodium101 mg4%
Total carbohydrate0 g0%
Fiber0 g0%
Protein26 g52%

Calories: Calories measure energy. Average daily need is 2,000 kcal. Excess calories are stored as fat, too few cause weight loss.

Carbs: Your body's primary energy source. The brain runs exclusively on carbs. Daily need: 275g.

Protein: Essential for muscle repair and cell growth. Daily need: 50g. Keeps you full and boosts metabolism.

Fat: Needed for hormone production and vitamin absorption. Daily need: 78g. Limit saturated fats, choose unsaturated.

Fiber: Critical for digestive health and satiety. Daily need: 28g. Stabilizes blood sugar, lowers cholesterol.

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How Many Calories in 1 Medium Rockfish?

ServingAmountCalories
1 piece (medium)140 g132 kcal
1 piece (small)90 g85 kcal
100 g100 g94 kcal
1 serving (small)120 g113 kcal
1 cup (diced)140 g132 kcal
1 serving (medium)180 g169 kcal
1 piece (large)220 g207 kcal
1 serving (large)250 g235 kcal
1 piece (whole)280 g263 kcal

Calculated from 94 calories per 100 g.

Frequently Asked Questions About Rockfish

What does rockfish taste like?

Rockfish usually has mild, slightly sweet flavor and firm, flaky white flesh. Its gentle taste works well with lemon, herbs, and simple seasonings, while prolonged cooking can make the fillets dry.

How do you cook rockfish?

Rockfish can be baked, pan-fried, grilled, or steamed. Cook fillets gently and avoid handling them too much, since the flesh can flake apart; it is done when opaque and easily separated with a fork.

Is rockfish the same as striped bass?

No, rockfish and striped bass are different fish. The name “rockfish” covers many species, particularly in the Pacific, so check the species name when a recipe or fish counter listing matters.

Does rockfish have a lot of bones?

Rockfish has a backbone and fine bones, though a properly prepared fillet should have most of them removed. Check fillets carefully before cooking and again before serving, especially for children.

Can you eat rockfish skin?

Yes, rockfish skin is edible when the fish has been properly cleaned and cooked. For crisp skin, pat the fillet dry and cook it skin-side down in a hot pan until crisp.

Is rockfish a good fish to eat?

Yes, rockfish is a lean source of protein and provides useful nutrients as part of a varied diet. Its mild flavor also makes it easy to pair with vegetables and whole grains.

How do you bake rockfish without drying it out?

Bake rockfish just until the flesh turns opaque and flakes easily, rather than relying on a fixed time for every fillet. A little oil or sauce helps keep the lean fish moist.

Can you freeze rockfish?

Yes, you can freeze rockfish. Wrap fresh fillets tightly in freezer-safe packaging to limit air exposure, and thaw them in the refrigerator before cooking; refreezing thawed fish is best avoided.

Does rockfish contain a lot of mercury?

Mercury levels vary among the many species sold as rockfish, so there is no single level for every fish called rockfish. Check local fish-consumption guidance for the species and catch location.

What can you use instead of rockfish in a recipe?

Cod, haddock, or another mild, firm white fish can often replace rockfish in recipes. Choose a fillet of similar thickness and adjust cooking time, since different fish do not cook at exactly the same rate.

Rockfish Vitamins & Minerals

Vitamins

B12

2.38µg · 99% DV

B6

0.42mg · 25% DV

B3

3.92mg · 25% DV

B5

1.05mg · 21% DV

Minerals

Selenium

50µg · 91% DV

Phosphorus

287mg · 41% DV

Iodine

49µg · 33% DV

Potassium ⭐

476mg · 14% DV

Sodium

101mg · 4% DV

Rockfish Glycemic Index

GLYCEMIC INDEX

0
Low
0 Low5570100

GLYCEMIC LOAD

0
Low

Accounts for portion size — a more realistic measure than GI alone.

How to Burn Off Rockfish

To burn the 132 calories in 1 piece (medium) (140 g):

🚶

33min

Walking (5 km/h)

🏃

13min

Running (8 km/h)

🚴

18min

Cycling

🏊

15min

Swimming

Times are calculated with the MET equation for a 70 kg adult. Actual burn varies with your weight, age and pace.

What is Rockfish?

Kaya balığı is a small coastal fish, usually a goby, found around rocky shores and seabeds in Turkey. The name can refer to different local species, so size and flesh vary. It is not the same fish as the species commonly sold in English as rockfish; that label is best set aside here. Its flesh is mild and lean, though smaller fish can take a little care to eat around the bones.

In Turkey, kaya balığı is often pan-fried and served with lemon, greens or salad; baking is another straightforward option. It is a protein-rich choice with little fat: a 100 g portion provides 18.6 g of protein. For a lighter meal, bake it rather than frying, and pair it with vegetables or a simple salad.

How Nutritious Is Rockfish?

Nutrient density

High

78/ 100

How many vitamins, minerals and how much fiber this food carries per calorie. A high score means a lot of nutrition for few calories.

Satiety score

Medium

59/ 100

An EatBetter score computed from fiber, protein and calorie density. A high score means staying full longer on the same calories.

Both scores are calculated per 100 g and do not change with the selected portion. The satiety score is EatBetter's own calculation, not a clinical measure.

Is Rockfish Processed?

NOVA 1

Unprocessed

1. Unprocessed

2. Minimally Processed

3. Processed

4. Ultra-Processed

NOVA classifies foods into 4 groups by industrial processing. NOVA 1 (unprocessed) is the healthiest.

Does Rockfish Contain Allergens?

Contains these allergens:

Gluten free
Dairy free
Eggs free
Peanuts free
Tree nuts free
Fish yes
Soy free
Sesame free

Which Diets Is Rockfish Good For?

Vegan

— Not suitable

Vegetarian

— Not suitable

Gluten-Free

✓ Suitable

Dairy-Free

— Not suitable

Mediterranean

✓ Suitable

Paleo

✓ Suitable

Whole30

— Not suitable

DASH

— Not suitable

Keto

✓ Suitable

Low FODMAP

— Not suitable

Rockfish Fat Profile

SATURATED

0.63g

MONOUNSATURATED

0.73g

POLYUNSATURATED

0.81g

⚖️

Omega 6:3 ratio 0.2:1

Below the ideal 4:1 — a good omega balance.

Compare Rockfish

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Rockfish vs Fish16 kcal fewer per 100 g
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Rockfish vs Tuna38 kcal fewer per 100 g
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Foods Similar to Rockfish

🐟

Salmon Fillet

206 kcal

🐟

Canned Tuna

116 kcal

🐟

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110 kcal

🐟

Tuna

132 kcal

🐟

Baked Sea Bass

110 kcal

🐟

Grilled Sea Bass

124 kcal

🐟

Whiting

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🦪

Stuffed Mussels

175 kcal

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Nutrition data compiled from USDA FoodData Central and scientific sources.