Plankton Feeding Links the Megamouth to the Base of the Marine Food Web

This giant bypasses fish and feeds directly on the ocean’s foundation.

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🤯 Did You Know (click to read)

Phytoplankton produce roughly half of the oxygen in Earth’s atmosphere.

By consuming plankton and small gelatinous organisms, the megamouth shark feeds near the base of the marine food web. Rather than preying on fish or marine mammals, it converts primary productivity into large vertebrate biomass.

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💥 Impact (click to read)

A five-meter predator surviving on organisms fueled by sunlight and nutrients compresses the food chain. It taps energy only a few steps removed from phytoplankton photosynthesis.

This trophic shortcut mirrors patterns seen in the largest animals on Earth, demonstrating that extreme body size can arise not from apex predation, but from direct reliance on foundational ecological processes.

Source

National Geographic

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