Some deep-sea fish like the viperfish have teeth so large they cannot close their mouths.

The Earth's oceans are interconnected.

Fact #314 · Ocean

The ocean contains structures larger than mountain ranges.

Fact #2033 · Ocean

The Dead Sea is one of the saltiest bodies of water on Earth.

Fact #266 · Ocean

Plankton form the base of many marine food chains.

Fact #663 · Ocean

Phytoplankton populations have declined by about 40% since 1950, threatening the marine food chain.

Fact #5230 · Ocean

Surfer Garrett McNamara rode a 78-foot wave off Nazaré, Portugal, in 2011 — a record at the time.

Fact #4466 · Ocean

The Dead Sea is 10 times saltier than the ocean.

Fact #3396 · Ocean

A giant squid lives in deep ocean waters.

Fact #522 · Ocean