Best Time To Eat Raw Fish


Raw fish refers to fish that has not been cooked or heat-treated before consumption. It is commonly used in various cuisines around the world, especially in dishes like sushi, sashimi, and ceviche. Raw fish is typically very fresh and carefully handled to ensure its safety for consumption. Different types of fish can be used for raw consumption, including tuna, salmon, mackerel, and others.

Natural benefits of consuming raw fish for humans include:

1.       Nutrient Rich: Raw fish is a good source of essential nutrients such as protein, omega-3 fatty acids, vitamins (such as vitamin D and B vitamins), and minerals (such as iodine, selenium, and zinc).

2.       Heart Health: Omega-3 fatty acids found in raw fish, particularly in fatty fish like salmon and mackerel, are associated with reducing the risk of heart disease by lowering triglyceride levels, reducing inflammation, and improving blood vessel function.

3.       Brain Function: Omega-3 fatty acids are also beneficial for brain health and development. They are believed to contribute to cognitive function, memory, and mood regulation.

4.       Weight Management: Raw fish is typically low in calories and fat, making it a suitable option for those looking to manage their weight or reduce calorie intake.

5.       Lean Protein: Fish is an excellent source of high-quality, lean protein that supports muscle growth, repair, and overall body function.

6.       Digestive Health: Raw fish contains enzymes and beneficial bacteria that can support digestion and gut health.

7.       Mineral Content: Fish, especially those from cold waters, are rich in minerals like iodine, which is essential for proper thyroid function and overall metabolic health.

8.       Amino Acids: Raw fish provides essential amino acids that are important for various bodily functions, including building and repairing tissues.

It's important to note that while there are potential benefits to consuming raw fish, there are also some risks associated with raw seafood consumption. Raw fish can sometimes contain harmful bacteria, parasites, or viruses that can cause foodborne illnesses. Proper handling, storage, and sourcing of fish are crucial to reduce these risks.

Who Should not eat Raw Fish?

Indulging in the tantalizing allure of raw fish can be a gustatory adventure. Yet, for certain individuals, the gratification of savoring a gourmet masterpiece is outweighed by the apprehension of health concerns, as noted by Czerwony.

Abstaining from the consumption of raw fish is strongly advised if you fall under the following categories:

1.       Immunocompromised: If your immune system is operating below its optimal capacity, your susceptibility to prolonged and heightened illness escalates significantly.

2.       Age Extremes: Those either below the age of 5 or above the age of 65 should exercise caution due to their reduced ability to fend off infections, potentially leading to exacerbated ailments.

3.       Expecting Mothers: Pregnancy calls for the utmost care, warranting the avoidance of specific foods like raw fish. The well-being of both the mother and the developing fetus could be adversely impacted by such choices.

What are the illnesses and symptoms of Eating Raw Fish?

 As per data from the Centers for Disease Control and Prevention (CDC), an estimated 48 million individuals encounter illness, leading to a staggering 3,000 fatalities annually due to foodborne ailments within the United States.

The prevalent foodborne diseases linked to the consumption of raw fish encompass:

1.       Salmonella: This bacterium triggers a trio of discomforts—diarrhea, fever, and abdominal distress. The onset of salmonellosis usually emerges between 12 to 72 hours post-consumption and lingers for approximately four to seven days.

2.       Vibrio vulnificus: Swiftly leading to diarrhea, abdominal unease, and vomiting within a mere 24 hours after ingestion, this bacterium tends to endure for around three days.

3.       Parasitic Tapeworms: Provoking symptoms like abdominal agony, diarrhea, vomiting, and weight reduction, these pesky parasites can persistently affect individuals even long after the initial ingestion of fish contaminated with tapeworm eggs.

What are the potential hazards posed by mercury content in raw fish?

Mercury, a perilous metal pervasive in most fish varieties, poses a health jeopardy regardless of their preparation, whether raw or cooked. Fish positioned higher in the aquatic food hierarchy, those that consume smaller fish, amass the highest mercury concentrations.

Varieties of fish with minimal mercury content encompass:

·         Enchanting Anchovies.

·         Canned light tuna.

·         Captivating Cod.

·         Harmonious Haddock.

·         Splendid Salmon.

However, fish bearing the brunt of heightened mercury levels encompass:

·         Majestic Bigeye tuna.

·         Illustrious Marlin.

·         Exotic Orange roughy.

·         Formidable Shark.

·         Commanding Swordfish.

In light of the mercury conundrum, the FDA strongly advises pregnant individuals and children to restrict fish intake. As a general guideline, the FDA recommends the consumption of only a few servings of fish with low mercury levels per week.

What is The Best Time To Eat Raw Fish?

In Ayurveda, the timing of meals, including the consumption of raw fish, is intricately linked to the body's natural rhythms, digestive capacity, and the doshas (vata, pitta, and kapha). While the approach can vary based on individual constitution and the prevailing circumstances, some general guidelines can be considered:

·         Morning (6 AM - 10 AM): This is considered the time of Kapha energy, characterized by a stable and strong digestive fire. If raw fish is to be consumed, early morning might be relatively more suitable, as the agni is potent. However, raw fish might still be challenging for some individuals, particularly those with weak digestion.

·         Midday (10 AM - 2 PM): This period aligns with the Pitta energy, representing the strongest digestive fire. Consuming raw fish during this time could be more manageable for individuals with strong digestive capacity, as Pitta energy aids in breaking down food effectively.

·         Evening (2 PM - 6 PM): As the day progresses, Vata energy gains momentum. Vata is associated with movement and variability and tends to have a weaker digestive fire. Consuming raw fish during the evening might not align well with Vata energy and its tendency to disrupt digestion.

·         Night (6 PM - 10 PM): The evening and night are considered Kapha time again, with a more subdued digestive fire. Raw fish during this time might pose challenges for digestion, especially for Kapha and Vata constitutions.

What are the types of Raw Fish Dishes?

The trend of raw fish preparations is on the rise, and here are several examples:

1.       Sushi: A genre of Japanese cuisine, sushi is defined by vinegared rice accompanied by an array of elements, including uncooked fish.

2.       Sashimi: Another Japanese specialty comprising finely sliced uncooked fish or meat.

3.       Poke: A Hawaiian delicacy that traditionally melds chunks of raw fish with a medley of seasoned vegetables.

4.       Ceviche: A lightly marinated seafood dish with roots in Latin America. It showcases raw fish marinated in citrus juices.

5.       Carpaccio: Hailing from Italy, carpaccio features thin slices of raw beef, and the term can extend to encompass raw meat or fish dishes.

6.       Koi pla: A Southeast Asian creation merging finely chopped raw fish with lime juice, fish sauce, chilis, and more.

7.       Soused herring: A marinated raw herring relished in the Netherlands.

8.       Gravlax: A Nordic offering, gravlax involves raw salmon cured in a blend of sugar, salt, and dill. It's traditionally accompanied by mustard sauce.

What are the Parasitic Infections by Eating Raw Fish?

A parasite, whether a plant or an animal, sustains itself by exploiting another organism, the host, without providing any reciprocal advantages. Although certain parasites might not immediately exhibit noticeable symptoms, numerous can inflict substantial and lasting damage.

Parasitic ailments pose significant health challenges, particularly in tropical regions, often propagated through contaminated drinking water or insufficiently cooked cuisine, including raw fish.

Liver Flukes

Liver flukes, a type of flatworm parasites, are responsible for causing a disease named opisthorchis’s. These infections are most prevalent in tropical areas across Asia, Africa, South America, and Eastern Europe. An estimated 17 million individuals, predominantly in Southeast Asia, are impacted by opisthorchis’s.

These adult liver flukes take up residence in the livers of both humans and other mammals, consuming blood and potentially leading to liver enlargement, bile duct infections, inflammation of the gallbladder, formation of gallstones, and even the onset of liver cancer.


Fish tapeworms are contracted by individuals consuming raw or undercooked freshwater or river-spawning sea fish, like salmon. These parasites, the largest known to infest humans and capable of reaching lengths of up to 49 feet (15 meters), have the potential to infect an estimated 20 million people globally.

Despite often being asymptomatic, they can lead to diphyllobothriasis, a condition characterized by mild symptoms such as fatigue, abdominal unease, and alternating diarrhea or constipation.

Round worms:

Parasitic roundworms can instigate an ailment termed anisakiasis, dwelling within marine fish or those transitioning between sea and freshwater habitats, like salmon. Prevalent in regions favoring the consumption of raw or lightly preserved fish, such as Scandinavia, Japan, the Netherlands, and South America, these infections arise.

Unlike certain other fish-linked parasites, Anisakis roundworms cannot endure in the human body for extended durations. Their endeavor to infiltrate the intestinal wall often culminates in entrapment and eventual demise, possibly triggering an intense immune response characterized by inflammation, stomach discomfort, and bouts of vomiting.

What are the Bacterial Infections by Eating Raw Fish?

Common symptoms of food poisoning encompass stomach discomfort, nausea, vomiting, and diarrhea. Raw fish can harbor potentially harmful bacteria, including Listeria, Vibrio, Clostridium, and Salmonella. Research from the US unveiled that around 10% of imported raw seafood and 3% of domestic variants tested positive for Salmonella. Nonetheless, the likelihood of food poisoning from raw fish is generally low for individuals in good health.

Those with compromised immune systems, like the elderly, young children, and HIV patients, face heightened vulnerability. Such high-risk groups should steer clear of raw meat and fish. Moreover, pregnant women often receive advice against consuming raw fish due to the threat of Listeria infection, which could result in fetal loss. In the US, approximately 12 out of every 100,000 pregnant women contract this infection.


When can you eat raw fish?

While the perception may lean toward favoring fresh fish for raw consumption, the reality can differ. Freezing serves as a safeguard against parasites that can induce illness. The U.S. Food and Drug Administration (FDA) suggests an approach of freezing fish at temperatures of either -4°F for a week or -31°F for 15 hours to expedite the freezing process, effectively eliminating potential health risks.

When should you not eat raw fish?

The Food and Drug Administration (FDA) cautions against the consumption of raw or undercooked fish for high-risk categories, including individuals with weakened immune systems, infants, young children, and those aged 65 and above.

Is it good to eat raw fish at night?

Abundant in Omega-3 fatty acids, particularly bluefish, fish offers a defense against free radicals and cholesterol buildup. Opting for sushi or sashimi translates to selecting a wholesome, easily digestible, and light meal, making it an excellent dinner option prior to bedtime.

When should fish be eaten?

For the best results in terms of weight loss and heart health, it's advised to enjoy these highly nutritious dried fruits in the morning. Incorporating figs into your diet on an empty stomach can be particularly beneficial due to their high fiber content, aiding in addressing constipation concerns as well.



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