more fish biomass than the rest of the ocean combined · All Facts

more fish biomass than the rest of the ocean combined
The ocean twilight zone (200–1,000 m) may hold more fish biomass than the rest of the ocean combined.
SrcWoods Hole Oceanographic Institution

Next evidence →2,000 feet for ~45 minutesSperm whales routinely dive about 2,000 feet for ~45 minutes while hunting, then raft at the surface to recover.

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