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Raw Tuna Belly
Seafood
Nutri-ScoreA

Raw Tuna Belly

Thunnus albacares

Clinical Encyclopedia

Raw tuna belly, also known as 'otoro', is a highly prized cut of fatty tuna known for its rich flavor and buttery texture. It is a source of high-quality protein and omega-3 fatty acids, making it a popular choice in sushi and sashimi dishes.

Also known as:
OtoroFatty Tuna
Scientific NameThunnus albacares
Region of OriginJapan

Macronutrient Ratio

Caloric distribution of primary energy metrics per 100g

Calories144 kcal
Water
75%
Fiber0g
Total28.0g
Protein
23g(82%)
Fats
5g(18%)
Carbohydrates
0g(0%)

Micronutrient DV% Score

Top vitamins and minerals ranked by percentage of Daily Recommended Value

Vitamins (DV%)
Minerals (DV%)

Complete Micronutrient Breakdown

Detailed concentration of essential micronutrients per 100g serving.

Vitamins

Major Source (≥ 2% DV)
Vitamin D1 µg (5%)
Vitamin B122.2 µg (92%)
Vitamins with less than 2% DVNone registered

Minerals

Major Source (≥ 2% DV)
Selenium63 µg (114%)
Phosphorus200 mg (29%)
Minerals with less than 2% DVNone registered

Health Benefits

Rich in omega-3 fatty acids, which are essential for heart health and reducing inflammation.
High-quality protein source that supports muscle growth and repair.
Contains important vitamins and minerals, including Vitamin D and selenium, which are crucial for immune function.
May improve brain health due to its high DHA content, which is vital for cognitive function.

Possible Risks & Side Effects

!Raw fish may carry parasites or bacteria, posing a risk of foodborne illness.
!High mercury levels in some tuna species can be a concern, especially for pregnant women and young children.

How to Prepare & Consume

Best enjoyed raw in sushi or sashimi. Ensure it is sourced from reputable suppliers to minimize health risks.

Smart Selection & Storage

How to Select

Choose tuna belly that is bright in color, with a firm texture and a fresh ocean smell. Avoid any that appear dull or have a strong fishy odor.

How to Store

Keep raw tuna belly refrigerated at 32°F (0°C) and consume it within 1-2 days. If freezing, wrap it tightly to prevent freezer burn.

Myths vs Realities

MythAll tuna is low in mercury.
RealitySome tuna species, especially larger ones, can have high mercury levels.
MythRaw fish is always safe to eat.
RealityRaw fish can carry parasites and bacteria, so it must be sourced carefully.
MythFatty fish is unhealthy.
RealityFatty fish like tuna belly are rich in healthy omega-3 fatty acids that are beneficial for health.

Healthy Recipes

Tuna Belly Poke Bowl

A vibrant and nutritious poke bowl featuring marinated raw tuna belly, fresh vegetables, and a zesty dressing.

Ingredients
  • 200g raw tuna belly, diced
  • 1 cup cooked brown rice
  • 1/2 avocado, sliced
  • 1/2 cucumber, julienned
  • 1/4 cup edamame, shelled
  • 2 tbsp soy sauce
  • 1 tbsp sesame oil
  • 1 tsp rice vinegar
  • 1 tsp sesame seeds
  • 1 green onion, chopped
Instructions
  1. 1. In a bowl, whisk together soy sauce, sesame oil, and rice vinegar.
  2. 2. Marinate the diced tuna belly in the mixture for 10 minutes.
  3. 3. Assemble the bowl by placing the rice at the bottom, then topping with marinated tuna, avocado, cucumber, edamame, and garnish with sesame seeds and green onion.

Tuna Belly Tartare with Avocado

A refreshing tuna belly tartare served with creamy avocado and a hint of lime, perfect as an appetizer.

Ingredients
  • 150g raw tuna belly, finely diced
  • 1 ripe avocado, diced
  • 1 tbsp lime juice
  • 1 tbsp olive oil
  • 1 tbsp capers, chopped
  • 1 tbsp fresh cilantro, chopped
  • Salt and pepper to taste
Instructions
  1. 1. In a bowl, combine tuna belly, lime juice, olive oil, capers, and cilantro.
  2. 2. Season with salt and pepper, mixing gently.
  3. 3. Serve the tartare in a ring mold, topped with diced avocado.

Tuna Belly Sushi Rolls

Delicious sushi rolls made with fresh tuna belly, cucumber, and avocado, wrapped in seaweed for a healthy treat.

Ingredients
  • 150g raw tuna belly, sliced
  • 1/2 cucumber, julienned
  • 1/2 avocado, sliced
  • 2 sheets nori
  • 1 cup sushi rice, cooked
  • 1 tbsp rice vinegar
  • Wasabi and soy sauce for serving
Instructions
  1. 1. Mix cooked sushi rice with rice vinegar and let it cool.
  2. 2. Place a sheet of nori on a bamboo mat, spread a layer of rice, and top with tuna, cucumber, and avocado.
  3. 3. Roll tightly, slice into pieces, and serve with wasabi and soy sauce.

Spicy Tuna Belly Salad

A spicy and zesty salad featuring raw tuna belly, mixed greens, and a homemade spicy dressing.

Ingredients
  • 200g raw tuna belly, sliced
  • 4 cups mixed greens
  • 1/2 red bell pepper, sliced
  • 1/4 cup radishes, sliced
  • 2 tbsp sriracha
  • 1 tbsp olive oil
  • 1 tbsp lime juice
  • Salt to taste
Instructions
  1. 1. In a bowl, whisk together sriracha, olive oil, lime juice, and salt.
  2. 2. In a large bowl, combine mixed greens, bell pepper, and radishes.
  3. 3. Top with sliced tuna belly and drizzle with the spicy dressing before serving.

Tuna Belly Ceviche

A light and refreshing ceviche made with raw tuna belly, citrus juices, and fresh herbs, perfect for a summer dish.

Ingredients
  • 200g raw tuna belly, diced
  • 1/2 cup lime juice
  • 1/4 cup red onion, finely chopped
  • 1 jalapeño, minced
  • 1/4 cup cilantro, chopped
  • Salt and pepper to taste
Instructions
  1. 1. In a bowl, combine tuna belly, lime juice, red onion, jalapeño, and cilantro.
  2. 2. Season with salt and pepper, mixing gently.
  3. 3. Let it marinate in the refrigerator for 15-20 minutes before serving.

Tuna Belly and Quinoa Salad

A wholesome salad combining protein-rich quinoa and raw tuna belly with a citrus dressing.

Ingredients
  • 150g raw tuna belly, diced
  • 1 cup cooked quinoa
  • 1/2 cup cherry tomatoes, halved
  • 1/4 cup cucumber, diced
  • 2 tbsp olive oil
  • 1 tbsp lemon juice
  • Salt and pepper to taste
Instructions
  1. 1. In a large bowl, combine cooked quinoa, cherry tomatoes, cucumber, and diced tuna belly.
  2. 2. In a separate bowl, whisk together olive oil, lemon juice, salt, and pepper.
  3. 3. Drizzle the dressing over the salad and toss gently to combine.

Tuna Belly Lettuce Wraps

Healthy lettuce wraps filled with marinated tuna belly, crunchy vegetables, and a tangy sauce.

Ingredients
  • 200g raw tuna belly, diced
  • 1 head of butter lettuce, leaves separated
  • 1/2 carrot, shredded
  • 1/4 cup bell pepper, diced
  • 2 tbsp soy sauce
  • 1 tbsp sesame oil
  • 1 tsp ginger, grated
Instructions
  1. 1. In a bowl, mix tuna belly with soy sauce, sesame oil, and ginger.
  2. 2. Lay out lettuce leaves and fill each with a spoonful of tuna mixture, shredded carrot, and diced bell pepper.
  3. 3. Wrap and serve immediately.

Tuna Belly and Mango Salsa

A tropical-inspired dish featuring raw tuna belly paired with a fresh mango salsa for a burst of flavor.

Ingredients
  • 150g raw tuna belly, diced
  • 1 ripe mango, diced
  • 1/4 red onion, finely chopped
  • 1/4 cup cilantro, chopped
  • 1 lime, juiced
  • Salt to taste
Instructions
  1. 1. In a bowl, combine tuna belly, mango, red onion, cilantro, lime juice, and salt.
  2. 2. Mix gently to combine all ingredients.
  3. 3. Serve chilled as an appetizer or light meal.

Tuna Belly Avocado Toast

A nutritious twist on avocado toast topped with fresh raw tuna belly and a sprinkle of sesame seeds.

Ingredients
  • 100g raw tuna belly, sliced
  • 1 ripe avocado, mashed
  • 2 slices whole grain bread, toasted
  • 1 tbsp sesame seeds
  • 1 tsp chili flakes
  • Salt and pepper to taste
Instructions
  1. 1. Spread mashed avocado on toasted bread and season with salt and pepper.
  2. 2. Top with sliced tuna belly, sprinkle with sesame seeds and chili flakes.
  3. 3. Serve immediately for a quick and healthy meal.

Tuna Belly Zucchini Noodles

A low-carb dish featuring spiralized zucchini noodles topped with marinated raw tuna belly and a light dressing.

Ingredients
  • 150g raw tuna belly, sliced
  • 2 medium zucchinis, spiralized
  • 1 tbsp olive oil
  • 1 tbsp lemon juice
  • 1 tsp garlic, minced
  • Salt and pepper to taste
Instructions
  1. 1. In a bowl, mix olive oil, lemon juice, garlic, salt, and pepper.
  2. 2. Toss spiralized zucchini with the dressing until well coated.
  3. 3. Top with sliced tuna belly and serve immediately.

Frequently Asked Questions (FAQ)

What is the nutritional value of raw tuna belly?

Raw tuna belly is high in protein, omega-3 fatty acids, and essential vitamins and minerals.

How should I store raw tuna belly?

Store raw tuna belly in the coldest part of your refrigerator and consume it within 1-2 days for optimal freshness.

Can I freeze raw tuna belly?

Yes, you can freeze raw tuna belly, but it is best to consume it fresh for the best flavor and texture.

Is raw tuna belly safe to eat?

When sourced from reputable suppliers and handled properly, raw tuna belly is safe to eat.

What dishes can I make with raw tuna belly?

Raw tuna belly is commonly used in sushi, sashimi, and poke bowls.

How does raw tuna belly compare to other cuts of tuna?

Raw tuna belly is fattier and more flavorful than other cuts, making it a delicacy.

What are the health benefits of eating raw tuna belly?

It provides essential fatty acids, supports heart health, and is rich in protein.

Can I eat raw tuna belly if I am pregnant?

Pregnant women should consult their healthcare provider due to potential mercury exposure.