Whether you’re trying to eat healthier or simply looking to spice up a dinner party, fresh tuna is a great way to incorporate a new food into your diet. In fact, it is one of the most commonly consumed varieties of fish due to its availability and endless flavor opportunities. Think you know all there is to know about this fish? Test your knowledge with these six little-known facts about tuna.

6 Interesting Facts About Fresh Tuna

1. They’re Big

When you think of tuna, you probably picture the canned variety or the pieced version in your favorite sushi platter. Most people don’t realize how large this specimen can actually get. An adult can grow up to six feet and weigh up to 550 lbs.

2. They’re Fast

Despite their size, tuna are actually fast, agile swimmers. They average speeds ranging from 44-62 mph and change their dorsal fins to accelerate and reduce friction. While most tuna swim near the surface of the water for faster speeds, they can dive nearly 10,000 feet deep to search for food.

3. They’re Warm-Blooded

Another interesting fact about tuna is they a warm-blooded, which is not common among sea creatures. This means they are capable of regulating their own body temperature.

4. They’re Omnivores

That’s right! Tuna eat other fish in addition to kelp and sea vegetables. Because they have a high metabolic rate and digest their food quickly, they generally eat meals throughout the day and prefer prey smaller than them and easy to eat.

5. There Are Multiple Varieties

In the Thunnus family of fish, there are eight different species of tuna. These different include albacore, bigeye, yellowfin, three different bluefin species, blackfin, and longtail.

6. They Swim Constantly

In addition to being fast, tuna also get their oxygen from the water, not the air. This means they must constantly swim to extract the oxygen they need to breathe.

Ahi and Vegetable is a famous seafood restaurant in Honolulu, HI, with two different locations to make your dining experience even more convenient. Their diverse menu has something for everyone, from fresh tuna to sashimi platters. In addition to serving the freshest fish, they also offer custom platters to make your next party a hit. To learn more about this restaurant, call (808) 845-3500 or read the numerous reviews on Yelp.