Decades Can Pass Before A Basking Shark Replaces A Lost Generation

One season of overfishing can echo for decades.

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🤯 Did You Know (click to read)

Slow life histories are a major factor in extinction risk for many large marine species.

Because basking sharks grow slowly, mature late, and likely have small litters after extended gestation, population recovery can take many decades. Historical fisheries demonstrated how quickly numbers can drop compared to how slowly they rebound.

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💥 Impact (click to read)

Removing even a handful of mature females may erase years of reproductive potential. Unlike fast-breeding fish, basking sharks cannot rapidly replenish depleted populations.

This extreme demographic lag means conservation errors compound across generations. A species capable of reaching bus-length size remains fragile because time, not just biology, limits its recovery.

Source

International Union for Conservation of Nature (IUCN)

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