marine life facts

Marine-Life Facts



What’s Considered Marine Life?

Marine life refers to all living organisms that inhabit the ocean, including fish, mammals, invertebrates, plants, and microscopic organisms like plankton.

How much of Earth’s life is in oceans?

About 80% of life on Earth is found in the ocean, which covers more than 70% of the planet’s surface and provides habitats for an incredible diversity of species.

Some of the largest marine animals?

The blue whale is the largest marine animal (and the largest animal ever known), growing up to 100 feet long. Other large marine creatures include whale sharks, giant squid, and orcas.

Marine ecosystems planet benefits

Marine ecosystems regulate Earth’s climate, produce oxygen through photosynthesis (primarily by phytoplankton), and provide food, medicine, and livelihoods for millions of people.

What are coral reefs?

Coral reefs are diverse underwater ecosystems built by coral organisms. They support approximately 25% of marine species, protect coastlines from erosion, and are vital for global biodiversity.

What is bioluminescence in marine life?

Bioluminescence is the ability of some marine organisms, like jellyfish, squid, and certain fish, to produce light through chemical reactions. It helps them communicate, attract prey, or deter predators.