Which of these can maintain a body temperature higher than that of the surrounding water?

TestyAlien3443, by constantly moving, to either breath or feed.

HOW are they warm-blooded? How is it that 99.9% of fish are cold-blooded? I searched awhile for a reasonable answer but only found how it could be an advantage, or how global warming could harm them.

KAITLYNMARIA, I agree completely.

once again, the option "all the above listed" is the correct answer. it's handy if you don't know, yet it takes away some off the educationall merit behind the question & given answer

I wonder how the affects the flavor of the edible ones, if at all.

that's not fair