Feeding Scars on Sperm Whales Reveal Violent Encounters With Colossal Squid

Deep circular scars etched into sperm whale skin tell the story of underwater battles with colossal squid.

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Some sperm whales bear dozens of circular scars believed to be from repeated squid encounters.

Researchers studying Physeter macrocephalus have documented round scars matching the diameter and spacing of Mesonychoteuthis hamiltoni hooks, providing physical evidence of combat during predation attempts.

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These markings suggest that even when overpowered, colossal squid can inflict defensive damage on their attackers, highlighting their strength and formidable armament.

Such predator-prey conflicts emphasize the dynamic and often violent nature of life in the deep Southern Ocean, where even apex mammals face resistance.

Source

Marine Mammal Science

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