How do giant squid eyes help them survive in the deep ocean?

Giant squid are adapted for life in dim, deep waters where vision is difficult. Their eyes can be as large as dinner plates, making them some of the largest eyes known in the animal kingdom. Large eyes collect more light, which improves the squid’s chances of spotting predators or prey in the darkness. Scientists believe this adaptation is especially useful for detecting large moving shapes, such as sperm whales. Giant squid remain hard to study, but their eye size strongly suggests how important vision is in the deep sea.