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However, that doesn't make them sluggish weaklings.They have thousands of suckers working in unison on eight arms and two tentacles, with a rapidly-contracting mantle, to help capture and kill prey. The ocean holds an estimated 500 species of squid—and almost all of those are in the same taxonomic order as the giant squid, called Oegopsina.A giant squid’s body may look pretty simple: Like other squids and octopuses, it has two eyes, a beak, eight arms, two feeding tentacles, and a funnel (also called a siphon). FEEDING TENTACLES Giant squid can snatch prey up to 33 feet (10 meters) away by shooting out their two feeding tentacles, which are tipped with hundreds of powerful sharp-toothed suckers.These feeding tentacles are very long, often doubling the total length of the giant squid on their own.The squid's complex brain, which is tiny compared to its body, is shaped like a donut.Strangely enough, its esophagus runs through the "donut hole" in the middle, which makes grinding up food into tiny bits an evolutionary priority.
And on the body’s underside is the funnel—an amazing multipurpose tool.
These squid species are closely related to snails, clams, and even slugs: they are all mollusks, which are defined by their soft bodies.