
Seafood
Perch
Perch is a lean, mild-flavored freshwater or ocean fish providing high-quality protein with very few calories and fat.
Perch is a popular freshwater and saltwater fish known for its mild, sweet flavor, firm texture, and lean protein content, making it a versatile choice for healthy diets.
lean protein-dense seafood
Typical serving · 85g
Common varieties · yellow perch, european perch, ocean perch, nile perch
Overall context score across nutrition, safety, and diet fit
At a glance
Quick facts
Simple indicators based on nutrition, processing, and diet fit.
The story
What makes it unique
Perch is a fast-digesting, high-protein, low-fat food with zero carbohydrates. Its macronutrient profile promotes high satiety and minimal glycemic impact. As a minimally processed whole food, it provides essential amino acids and micronutrients like vitamin B12, selenium, and phosphorus.
Varieties: yellow perch · european perch · ocean perch · nile perch
Per 100g
Nutrition breakdown
Macro balance and key metrics at a glance.
Energy
Density 0.91 kcal/g
Protein
Carbs
Fat
Fiber
Sugar
0 g
Sodium
79 mg
Potassium
390 mg
Glycemic index
0
Glycemic load
0
Water content
79%
Standout compounds
Nutrient highlights
Protein
highSupports muscle growth, repair, and satiety
Vitamin B12
highEssential for nerve function and red blood cell formation
Selenium
moderateActs as an antioxidant and supports thyroid function
Phosphorus
moderateImportant for bone health and cellular energy production
Wellness map
Health scores & processing
NOVA processing scale
minimally processed · Whole food
Fresh or frozen perch is a whole, unaltered food. Processing level increases only if breaded, battered, or fried.
Diet compatibility
- Weight loss
- Muscle gain
- Diabetes
- Gut health
- Low carb
- High protein
- Heart health
Relative standing
Food rankings
Qualitative ranks compared to similar whole foods.
- Satietyexcellent
- Blood sugarexcellent
- Nutrient densitygood
- Fitness fuelexcellent
- Processing qualityexcellent
Eat with confidence
Food safety profile
Perch is generally safe and lower in mercury than large predatory fish. However, freshwater perch from industrialized waterways may carry localized PCB or mercury advisories. Cook thoroughly to eliminate parasites.
Evidence confidence 85%
- Pesticideslow
- Antibioticslow
- Heavy metalsmoderate
- Contaminationmoderate
Watch for
- mercury
- PCBs
- microplastics
Safer choices
Wild-caught ocean perch or verified clean-source yellow perch from uncontaminated waters
Prep tips
Rinse under cold water, pat dry, and cook to an internal temperature of 145°F (63°C) to ensure safety against aquatic parasites.
Local advisories for freshwater perch may apply due to industrial runoff in specific lakes and rivers.
Deep dive
Health analysis
How this food may fit different goals and preparation choices.
Weight loss
Extremely low energy density and high protein content increase satiety, making it easier to maintain a calorie deficit.
Blood sugar
Contains zero carbohydrates, resulting in no glycemic impact and excellent blood sugar stability.
Fitness & energy
Fast-digesting lean protein supports muscle repair and growth without causing digestive sluggishness post-workout.
Gut health
Easily digestible due to low fat and zero fiber, though it does not provide prebiotic fiber for gut microbiome support.
Processing quality
As a whole food, fresh perch retains its natural nutrient matrix without added sugars, sodium, or preservatives.
Food safety
Generally safe with lower mercury levels than apex predators, but check local advisories for lake-caught fish.
Common mistakes
Battering and deep-frying perch negates its low-calorie and low-fat benefits, adding trans fats and excess calories.
Best preparation
Baking, grilling, broiling, or pan-searing with minimal oil preserves its lean profile and delicate flavor.
Practical guide
Best use cases
When and how this food fits real eating patterns.
post-workout dinner
Provides fast-digesting protein for muscle recovery without heavy fats that slow digestion.
weight loss meal prep
Low calorie density allows for generous portions while staying in a deficit.
heart-healthy dinner
Lean protein reduces saturated fat intake compared to red meat, supporting cardiovascular health.
Balance sheet
Pros & cons
Upsides
- Very low in calories and fat
- High-quality complete protein source
- Zero carbohydrates, ideal for keto and low-carb diets
- Good source of vitamin B12 and selenium
- Mild flavor appeals to picky eaters
Trade-offs
- Lower in heart-healthy omega-3 fats compared to fatty fish
- Freshwater varieties may carry localized mercury or PCB advisories
- Small fillet size can make portioning less convenient
- Often consumed breaded and fried, which negates health benefits
Fit check
Who is it for?
Great match
- weight loss diets
- post-workout recovery
- low-carb and keto diets
- blood sugar management
Consider alternatives
- those seeking high omega-3 intake
- strict vegetarians and vegans
- people with fish allergies
Side by side
How it compares
Open the full head-to-head analysis for nutrition, safety, and practical tradeoffs.

This food
Perch
VS90% alike
Compare with
Cod
Cod is slightly lower in calories but perch offers a firmer texture and slightly more flavor.
Cod is slightly lower in calories, while perch offers a firmer texture and marginally more protein per bite.

This food
Perch
VS85% alike
Compare with
Tilapia
Tilapia has slightly more fat and less protein per calorie than perch.
Perch is leaner and higher in protein than tilapia, making it slightly better for weight loss and muscle gain.

This food
Perch
VS60% alike
Compare with
Salmon
Salmon is much fattier with high omega-3s, while perch is a lean protein source.
Salmon provides far more omega-3s for heart health, while perch is much lower in calories for weight loss.

This food
Perch
VS95% alike
Compare with
Walleye
Walleye is slightly higher in omega-3s, but both are lean and highly nutritious.
Walleye and perch are nutritionally nearly identical lean freshwater fish, though walleye has slightly more healthy fats.

This food
Perch
VS75% alike
Compare with
Chicken Breast
Chicken breast has slightly more protein by weight, but perch provides unique micronutrients like vitamin B12.
Chicken breast offers slightly more protein per serving, while perch provides vitamin B12 and seafood-specific minerals.

This food
Perch
VS70% alike
Compare with
Catfish
Catfish is higher in fat and calories than perch.
Perch is significantly leaner and lower in calories than catfish, making it better for strict fat loss.

This food
Perch
VS88% alike
Compare with
Haddock
Haddock is very similar nutritionally but has slightly more sodium.
Haddock and perch are both excellent lean white fish, with perch being slightly lower in sodium.

This food
Perch
VS65% alike
Compare with
Shrimp
Shrimp is lower in calories but higher in cholesterol; perch provides a more substantial fillet.
Shrimp is lower in calories, but perch offers a more filling portion size with less dietary cholesterol.

This food
Perch
VS70% alike
Compare with
Tuna
Tuna has more protein and omega-3s but carries a higher mercury risk than perch.
Tuna provides more protein and omega-3s, but perch is much lower in mercury and safer for frequent consumption.

This food
Perch
VS50% alike
Compare with
Sardines
Sardines are high in omega-3s and calcium, while perch is a low-fat protein source.
Sardines are superior for omega-3s and bone health, while perch is much lower in calories and fat for weight loss.
Common questions
FAQ
Answers aligned with how people search for this food.
Is perch good for weight loss?
Yes, perch is very low in calories and fat while being high in protein, which helps keep you full and supports a calorie deficit.
Is perch high in mercury?
No, perch is generally considered a low-mercury fish, though local advisories may apply to some freshwater catches from polluted lakes.
Can diabetics eat perch?
Yes, perch contains zero carbohydrates and will not spike blood sugar, making it an excellent choice for diabetes management.
Does perch have omega-3 fatty acids?
Perch contains some omega-3s, but much less than fattier fish like salmon or sardines.
How many calories are in a perch fillet?
A standard 3-ounce (85g) perch fillet contains about 77 calories.
Is ocean perch the same as lake perch?
No, ocean perch (rockfish) is a different species than freshwater lake perch (yellow perch), though both are lean and mild.
What is the best way to cook perch for a diet?
Baking, grilling, or pan-searing without breading is best to keep the calorie and fat content low.
Is perch a good source of protein?
Yes, perch provides nearly 20 grams of high-quality protein per 100-gram serving, making it an excellent protein source.
Transparency
Data confidence
Estimated confidence for nutrition data, interpretation, safety notes, and comparisons.
Nutrition data
Health analysis
Food safety
Comparisons