"Hot or quasi-warm-blooded fish, such as bluefin tuna, keep a higher temperature difference between their body and surrounding water than cold fish because:

Question

Quizplus · Accepted Answer

Bluefin tuna and other warm-blooded fish maintain a higher body temperature than the surrounding water by utilizing a countercurrent heat exchanger system of veins and arteries. This system allows them to conserve and redistribute heat throughout their bodies, making them more efficient in colder waters.

"Hot or Quasi-Warm-Blooded Fish, Such as Bluefin Tuna, Keep a Higher