- Fish: Giant squid feed on a variety of fish, including:
- Patagonian toothfish
- Orange roughy
- Cod
- Hake
- Lanternfish
- Myctophids
- Cephalopods: Giant squid are also known to prey on other cephalopods, including:
- Smaller squid
- Cuttlefish
- Octopus
- Crustaceans: Giant squid may also consume crustaceans, such as:
- Krill
- Shrimp
- Crabs
- Lobster
- Marine mammals: In rare cases, giant squid have been known to prey on marine mammals, such as:
- Seals
- Sea lions
- Dolphins
- Whales
- Seabirds: Giant squid may occasionally consume seabirds, such as:
- Albatross
- Petrels
- Gulls
They typically hunt in deep water, using their powerful tentacles and sharp beak to capture and subdue their prey.