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🤯 Did You Know (click to read)
The aphotic zone begins at depths where sunlight is insufficient for photosynthesis.
Below the photic zone, sunlight no longer supports photosynthesis, yet Pacific sleeper sharks persist in these depths by feeding on organisms sustained indirectly by surface-derived organic matter.
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💥 Impact (click to read)
In ecosystems detached from direct solar energy, survival depends on sinking debris, carcasses, and mobile prey, making each large meal crucial for maintaining massive body mass.
The shark’s success in such zones underscores how life at extreme scale can be supported even in environments fundamentally cut off from the sun’s immediate energy input.
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