What is the difference between bluefin and yellowfin tuna?

In this brief article, we are going to answer the question,”What is the difference between bluefin and yellowfin tuna?.” and discuss what bluefin and yellowfin tuna is. We will also discuss the nutritional profile and health benefits of bluefin and yellowfin tuna, how many times fish should be consumed and the serving size of fish.

What is the difference between bluefin and yellowfin tuna?

The difference between bluefin and blackfin tuna is that bluefin have dark blue tails whereas yellowfin tuna have yellowish colored tails. 

Bluefin tuna tend to grow much bigger in size than yellowfin tuna. Bluefin tunas have shortal pectoral fins than yellowfin tunas whose pectoral fins can reach past the second dorsal fins. The yellowfin tuna have also much longer anal fins. 

Bluefin tuna have dark blue and green lateral lines whereas yellow tuna fins have a yellow lateral line from the head to the tail. The second dorsal fins of the bluefin tuna are grey and yellow in colour and those of yellowfins are bright yellow in colour. 

What is bluefin tuna?

Bluefin tuna is a type of fish that tends to live in the atlantic , pacific and southern oceans. These types of fish prefer to live in cold waters and therefore lower temperatures.

What is the nutritional profile of bluefin tuna?

Bluefin tuna contains 144 calories, 4.9g fat, 38 mg cholesterol, 39g sodium, 23.3 grams of proteins, and 1.3 grams of omega-3 fatty acids in a serving.

What are the health benefits of bluefin tuna?

Bluefin tuna is beneficial for patients with heart diseases because of their low sodium content. The presence of omega-3 fatty acids helps in proper functioning of the brain, reduces risk of heart disease, prevents cancer risks, and alleviates inflammations.

The presence of vitamins and minerals such as potassium, phosphorus, manganese, and vitamins, A, B-complex, E and D makes it beneficial against micronutrient deficiencies, commonly prevalent in patients with malnutrition.

Bluefin tuna is also high in fat and calories and has to be taken in moderate amounts to prevent increase in levels of cholesterol and weight gain. The fish may also contain mercury, so caution is advised especially for pregnant women. 

Bluefin tuna is most often used as sushi and is not cooked properly. This could lead to the production of harmful microorganisms which could lead to food poisoning. 

What is yellowfin tuna?

Yellowfin tuna is a type of fish which is majorly found in the tropical and subtropical oceans. The fish are pelagic and are found in offshore waters, and come inshore when the temperatures get high.

What is the nutritional profile of yellowfin tuna?

1 ounce of yellowfin tuna contains, 31 calories, 0.1 gram fat, 11 mg of cholesterol, 13 mg sodium, 6.9g of proteins, 125 mg of potassium and negligible amounts of iron, calcium and vitamin D, It is a rich source  of vitamin B6, selenium and iodine.

What are the health benefits of yellowfin tuna?

Yellowfin tuna is beneficial to reduce risk of heart disease because of the rich presence of omega-3 fatty acids. This helps in reducing LDL cholesterol while raising HDL cholesterol. The presence of selenium and iron is beneficial in the regulation of thyroid hormones and thyroid deficiencies.

The presence of micronutrients (vitamins and minerals) are beneficial for healthy vision, to reduce risk of cataracts and cancers, to reduce deficiency of B12 also known as pernicious anaemia, to form new red blood cells, to support weight loss (dut to less calories), for bone health, and to boost immunity especially in children.

The presence of mercury in all types of fish should be taken into account especially for pregnant women. Mercury can affect the growing brain of the foetus and also cause mental retardation.

How many times should fish be consumed?

Fish should be consumed at least thrice a week to fill in the dietary reference intake of the essential nutrients not usually found in routine meals.

What is the serving size of fish?

The serving size of fish is 1 oz or 28-30 grams. As per FDA guidelines, an average American should consume 8 ounces per week, based on a 2000 calorie diet.

Conclusion

In this brief article, we answered the question,”What is the difference between bluefin and yellowfin tuna?.” and discussed what bluefin and yellowfin tuna is. We also discussed the nutritional profile and health benefits of bluefin and yellowfin tuna, how many times fish should be consumed and the serving size of fish.

References

https://www.tomscatch.com/blog/yellowfin-tuna-vs-bluefin-tuna-quick-guide/
https://www.seafoodsource.com/seafood-handbook/finfish/tuna-bluefin
https://www.nutritionvalue.org/Fish%2C_raw%2C_yellowfin%2C_fresh%2C_tuna_nutritional_value.html
https://www.webmd.com/diet/health-benefits-tuna

Hi, I am Charlotte, I love cooking and in my previous life, I was a chef. I bring some of my experience to the recipes on this hub and answer your food questions.