Long Lifespans Are Suspected for Colossal Squid in Cold Antarctic Waters

The icy environment of the Southern Ocean may slow growth and extend the life of the colossal squid.

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Many small squid species live only one to two years, far shorter than estimates proposed for colossal squid.

Cold temperatures reduce metabolic rates in marine organisms, and researchers suggest Mesonychoteuthis hamiltoni may live longer than many temperate squid species.

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While precise lifespan data remain limited, slow growth patterns inferred from beak analysis indicate a potentially extended maturation period compared to smaller squid.

Longer lifespans could influence reproductive strategies and population resilience within Antarctic ecosystems.

Source

ICES Journal of Marine Science

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