Tag: Ocean Life

Natural History / Natural History - 8 years ago

What is the largest sea turtle?

Leatherback turtle consuming a jellyfish off Cape Cod. (NMFS Permit #1557-03). Weighing in at between 550 and 2,000 pounds with lengths of up to six feet, the leatherback is a big turtle! Leatherback sea turtles can be distinguished from other...

Natural History / Natural History - 8 years ago

What is a seamount?

A map of a seamount in the Arctic Ocean created by NOAA's Office of Coast Survey by gathering data with a multibeam echo sounder. Seamounts - undersea mountains formed by volcanic activity - were once thought to be little more than hazards to...

Natural History / Natural History - 8 years ago

Can penguins fly?

A group of Antarctica's Gentoo penguins follow a well-worn path to their nesting area from the sea where they go to feed. Penguins are birds, so they do have wings. However, the wing structures of penguins are evolved for swimming, rather than...

Natural History / Natural History - 8 years ago

How does oil impact marine life?

Following an oil spill, there are specialists and veterinarians to deal with oiled wildlife. These experts are trained on how to clean oil from animals, rehabilitate them, and return them to the environment. Oil destroys the insulating ability...

Natural History / Natural History - 8 years ago

Are dolphins fish?

National Ocean Service Mission: In the U.S., where over half of us live along the coast and more than 78 percent of our overseas trade by volume comes and goes along our marine highways, the health of our coasts is intricately connected to the heal...

Natural History / Natural History - 8 years ago

What is bioluminescence?

Bioluminescent creatures are found throughout marine habitats, from the ocean surface to the deep seafloor. The light emitted by a bioluminescent organism is produced by energy released from chemical reactions occurring inside (or ejected by)...

Natural History / Natural History - 8 years ago

Do alligators live in the ocean?

An alligator enjoying the sun's rays. Image courtesy of U.S. National Park Service. There are many things you may encounter when swimming in the ocean. Alligators probably aren’t one of them. While alligators can tolerate salt water for a few...

Natural History / Natural History - 8 years ago

Do whales make noise?

A humpback whale in the singing position. Whales are very social creatures that travel in groups called “pods.” They use a variety of noises to communicate and socialize with each other. The three main types of sounds made by whales are clicks...

Natural History / Natural History - 8 years ago

What lives in a kelp forest?

Many species of fish and marine mammals inhabit kelp forests for protection and food. In kelp forests, the most commonly found invertebrates are bristle worms, scud, prawn, snails, and brittle stars. These animals feed on the holdfasts that ke...

Natural History / Natural History - 8 years ago

Are all algal blooms harmful?

VIDEO: Learn how scientists predict the spread of harmful algal blooms in this video from Ocean Today. Less than one percent of algal blooms actually produce toxins. Harmful algal blooms are blooms of species of algae that can have negative i...

Natural History / Natural History - 8 years ago

What is nutrient pollution?

Nutrients can run off of land in urban areas where lawn fertilizers are used. Pet and wildlife wastes are also sources of nutrients. To see how this happens, consider this visualization of the Chesapeake Bay, part of the largest watershed in the...

Natural History / Natural History - 8 years ago

What is a dead zone?

Hypoxic zones are areas in the ocean of such low oxygen concentration that animal life suffocates and dies, and as a result are sometimes called "dead zones." One of the largest dead zones forms in the Gulf of Mexico every spring. Each spring as...