An octopus can fit through any hole larger than its beak.

The statement "an octopus can fit through any hole larger than its beak" is true because octopuses are highly flexible creatures with the ability to squeeze their bodies into narrow spaces. They are known for their remarkable ability to contort and manipulate their soft bodies, allowing them to navigate through tight passages and openings. The beak of an octopus is the only rigid and unyielding part of their body, which means that as long as a hole is bigger than their beak, they can easily fit through it by squeezing the rest of their body. This adaptation enables them to escape from predators, find shelter, and hunt for prey in various crevices and cracks within their habitat.