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

Deep-sea creatures often grow slowly due to limited food availability.

Fact #1400 · Ocean

The giant squid can grow over 30 feet long.

Fact #1393 · Ocean

The 2004 Indian Ocean tsunami was triggered by a massive undersea earthquake.

Fact #807 · Ocean

Billy Mays died from heart disease shortly after a flight.

Fact #3198 · Ocean

The siphonophore can grow to extraordinary lengths in the ocean depths.

Fact #1408 · Ocean

The Earth's crust is thinner beneath oceans.

Fact #264 · Ocean

Plankton form the base of many marine food chains.

Fact #663 · Ocean

Certain birds migrate seasonally to access food sources.

Fact #905 · Ocean