Especially plentiful in the Antarctic Ocean, many of the nearly 90 species of these crustaceans emit a blue-green light that helps them congregate.
Especially plentiful in the Antarctic Ocean, many of the nearly 90 species of these crustaceans emit a blue-green light that helps them congregate. Though they range in size from less than half an inch to nearly three inches in length, their major predators are among the largest on earth, consuming up to 4000 lbs. of them in one feeding. For ten points, name this major food source for baleen whales.
Especially plentiful in the Antarctic Ocean, many of the nearly 90 species of these crustaceans emit a blue-green light that helps them congregate.
{Krill}