At a volume of 538 million cubic miles, our ocean weighs 4.9x10E21 pounds. How did I do? According to the internet, “Earth’s ocean is made up of more than 20 seas and four oceans, weighing an estimated 1,450,000,000,000,000,000 short tons” – or 2.9x10E21 pounds.

The ocean contains 352 quintillion gallons of water!

Water does weigh something; about 8.3 pounds per gallon.

The largest terrestrial seas are:

• Australasian Mediterranean Sea – 9.080 million km.
• Philippine Sea – 5.695 million km.
• Coral Sea – 4.791 million km.
• American Mediterranean Sea – 4

blue whale

The tentacles contain stinging nematocysts, microscopic capsules loaded with coiled, barbed tubes that deliver venom capable of paralyzing and killing small fish and crustaceans. While the man o’ war’s sting is rarely deadly to people, it packs a painful punch and causes welts on exposed skin.

Examples of deep-sea gigantism include the big red jellyfish, the giant isopod, giant ostracod, the giant sea spider, the giant amphipod, the Japanese spider crab, the giant oarfish, the deepwater stingray, the seven-arm octopus, and a number of squid species: the colossal squid (up to 14 m in length), the giant squid …

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