over 500 mph · All Facts

over 500 mph
In the deep ocean, tsunamis can move over 500 mph — as fast as a jet — while the wave height at sea is often only a few feet.
SrcNOAA JetStream — Tsunami Propagation

Next evidence →blue whale's heartThe blue whale's heart is the size of a golf cart — about 5 feet long and weighing 400 pounds. Its heartbeat is so powerful it can be detected from 2 miles away, and its aorta is wide enough for a human to crawl through.

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more fish biomass than the rest of the ocean combinedThe ocean twilight zone (200–1,000 m) may hold more fish biomass than the rest of the ocean combined.
2.5 centimeters per yearThe Mid-Atlantic Ridge spreads at about 2.5 centimeters per year — roughly the rate human fingernails grow.
just larger than its beakAn octopus's only hard part is its beak — so it can squeeze through any opening just larger than its beak.
2,240 suckersA female giant Pacific octopus carries about 2,240 suckers; each sucker holds roughly 10,000 chemoreceptor cells.

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