What is a tuna?
Q: What is a tuna?
A: Tuna is a fish that belongs to the family Scombridae and the genus Thunnus. It is a fast swimmer and several species of tuna are warm-blooded.
Q: What is the speed at which tuna can swim?
A: Tuna can swim at up to 77 km/h.
Q: What makes tuna flesh different from other fish?
A: Tuna flesh is pink to dark red in color because it contains greater quantities of myoglobin. Myoglobin is a molecule that binds oxygen.
Q: What enables some larger tuna species to live in cooler waters?
A: Some larger tuna species, such as the Northern bluefin tuna, are able to raise their blood temperature above the water temperature with muscular activity. This allows them to live in cooler waters and survive a wider range of circumstances.
Q: What family does tuna belong to?
A: Tuna belongs to the family Scombridae.
Q: What genus does tuna belong to?
A: Tuna belongs to the genus Thunnus.
Q: Are most species of fish's flesh white?
A: Yes, most species of fish have white flesh, but tuna flesh is different and is pink to dark red.
