How do fish in Antarctica remain active in sea water - Biology - Organisms and Populations

Question

How do fish in Antarctica remain active in sea water?

Mehvash Shams · Accepted Answer

Dear student, many fishes that live in extremely cold water produce
a special kind of antifreeze in their blood These chemicals are a
type of glycoprotein, made from a combination of sugar and protein,
that circulate the blood and prevent it from freezing and likewise
they remain active