Huge Oarfish Can Flex and Twist Like Living Ribbon Sculptures

A living, ten-meter ribbon curls and twists effortlessly.

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Segmented vertebral columns distribute mechanical stress along the spine for efficient bending.

The oarfish’s skeleton contains hundreds of small vertebrae, granting unparalleled flexibility for an animal of its length. Coordinated waves travel along the dorsal fin, allowing different body segments to move independently. This creates fluid, serpentine motion resembling living ribbon sculptures. Such flexibility aids in navigation through midwater currents and dense prey patches. The combination of extreme length and modular articulation is rarely seen in vertebrates. Motion becomes an expression of both scale and structure.

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Picture a ribbon longer than a bus undulating in midwater like a sinuous dance. Each vertebral segment absorbs stress while maintaining overall propulsion. Human engineering struggles to replicate this combination of flexibility, length, and efficiency. Nature achieves it effortlessly. Length magnifies fluidity.

Studying this flexibility informs biomimetic design and robotics. Wave propagation along flexible media allows energy-efficient motion. Oarfish demonstrate how evolution can optimize movement for vast, three-dimensional habitats. Extreme length becomes functional art. The abyss sculpts motion.

Source

Encyclopaedia Britannica

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