How do giant squid maintain buoyancy in the ocean?

Giant squid maintain buoyancy in the ocean through a combination of their unique body structure and the presence of a specialized organ called the siphon. Their bodies are filled with a low-density fluid, which helps reduce their overall density, allowing them to remain neutrally buoyant. Additionally, the siphon allows for rapid movement by expelling water, enabling them to adjust their position in the water column effectively. This adaptation is crucial for navigating their deep-sea environment.