Hooks and Suckers Work Together to Secure Prey in Colossal Squid

The colossal squid combines piercing hooks with suction cups for a dual-grip hunting system.

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Hooked tentacles are relatively rare among squid and are considered a key diagnostic feature of the species.

Arms of Mesonychoteuthis hamiltoni feature both muscular suckers and rotating hooks, allowing simultaneous adhesion and penetration when subduing large prey.

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This integrated gripping system increases capture reliability in cold, dense water where prey may struggle violently during capture attempts.

The combination of mechanical anchoring and suction distinguishes the species from many other squid that rely predominantly on suction alone.

Source

Journal of Zoology

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