The Earth's oceans are interconnected.

Male seahorses carry and give birth to the young — the only male animal known to experience true pregnancy.

Fact #3527 · Ocean

Coral reefs are formed by tiny marine animals called polyps.

Fact #98 · Ocean

Sea otters wrap themselves in kelp to stay anchored while sleeping.

Fact #1267 · Ocean

More than 70% of Earth's oxygen is produced by marine plants, primarily phytoplankton.

Fact #3399 · Ocean

A box jellyfish has one of the most potent venoms in the ocean.

Fact #389 · Ocean

Certain birds migrate seasonally to access food sources.

Fact #905 · Ocean

The deepest part of the ocean is approximately 35,876 feet down.

Fact #2590 · Ocean

Dolphins use signature whistles that function like names.

Fact #1313 · Ocean