What is the function of the robust initial vertebra found in the Pacific viperfish?

Answer

It acts as a shock absorber during high-speed attacks

Located immediately behind the head, this sturdy and robust vertebra serves as a specialized shock absorber for the Pacific viperfish. When the fish executes its high-speed hunting maneuvers and strikes at prey, the force of the impact can be significant. This skeletal reinforcement protects the fish's internal structures and helps it maintain its weaponry intact, allowing it to withstand the physical reverberations generated when its dagger-like teeth impale prey.

What is the function of the robust initial vertebra found in the Pacific viperfish?
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