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103 Results for "fish"

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Melanie Stiassny has been fascinated by fish from the time she was a little girl living in London. Today, Melanie is an ...

Check out these fascinating fish from Africa's lower Congo River.
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Ian Harrison first became interested in sea life during family vacations to the southwest coast of England.

Dive into the oceans with an ichthyologist.
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In 1938, fishermen off the east coast of Africa pulled up a strange creature in their nets.

What kind of person becomes an ichthyologist, a scientist who studies fish?
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For centuries, orange roughy went mostly unnoticed by humans. These fish thrived in the dark, the cold, and the intense ...
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In college, Rob DeSalle wanted to study the narwhal, an Arctic whale with an eight-foot spiral tooth.
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If you came face to face with a pacu, what would you do? Never fear -- the pacu may look like a big and scary fish, but ...
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These tropical freshwater fishes come in so many colors, shapes, and sizes, it's nearly impossible to sum up the family ...
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Found along tropical coastlines, thick mangrove forests were once considered a nuisance, infested with mosquitoes and bl...
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Most ocean plants and animals live near the shore, on a narrow ribbon of seafloor called the continental shelf.

Discover how these deep sea creatures create their own light!
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The hellbender is one of the largest salamanders in North America.
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Bustling with a spectacular diversity of life, coral reefs are the rain forests of the oceans.
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Most living things need oxygen to survive. Oxygen helps organisms grow, reproduce, and turn food into energy. Humans get...
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Estuaries are places where a river meets the sea. This ever-changing ecosystem is bursting with life. Saltwater from the...
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Growing up in Argentina, Adriana Aquino loved nature, especially the ocean. As a young girl, she wondered what it would ...
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Like humans, animals need to communicate with each other. Through sight, touch, sound, smell, and even electrical pulses...
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The electric eel is long and narrow like an eel, but it is actually not an eel at all. In fact, electric eels are probab...
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All living organisms need energy to live. Organisms such as plants get this energy from the Sun. But animals get this en...
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The most dazzling feature on many pterosaurs was a spectacular head crest. Tupuxuara leonardii had one of the most impre...

From Madagascar to Indonesia, travel around the world with Museum scientists.
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Dinoflagellates are tiny, one-celled organisms that live in oceans and freshwater ponds, rivers, and streams. Some dinof...
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The striped bass has been a popular catch for fishermen for centuries. These fishes are known for their spiny fins and t...
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The body of a sawfish may look like a fish, but its long, flat snout sets it apart. Rimmed with razor-sharp points, this...
Materials list and step-by-step instructions to create a flounder fish that's hard to spot.
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This large dark bird is unmistakable soaring in the air along the coast.
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Hundreds of years ago, European sailors placed carved mermaids on the front of their ships as figureheads and told tales...
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With their white bellies and dark backs, dolphins can be found jumping above the water, swimming alongside fishing ships...

Find out what you can do to protect the oceans and ocean life.
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That toothy grin might make you think this is a crocodile or an alligator. But the Yacaré caiman is neither. Caim...
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Most amphibians start their lives in water, and grow up to live on land. But axolotls live their whole lives in water. T...
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It's easy to see how the starfish got its name -- with their pointed arms, these creatures look like stars fallen to the...
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Even though this whale of a whale weighs many tons, the humpback whale can make acrobatic leaps out of the water!
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With its long, dramatic crest, the giant Pteranodon longiceps is easy to recognize.
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Confuciusornis is the earliest-known toothless, beaked bird.
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The oceans are filled with creatures that use poison to survive. Some use chemical defenses to deter predators. Others, ...
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Many animals and plants use color to warn predators to stay away, and the blue ringed octopus is no exception. When this...
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Far beneath the ocean's surface is a mysterious world of cold temperatures, intense pressure, and almost total darkness....

Create a flounder fish that's hard to spot!

Our oceans are full of colorful creatures. Find out how animals use color for attraction, communication, and camouflage. 

Find out what lives in a coral reef, and how they are connected.
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The Portuguese man-of-war is actually a floating colony of individuals called polyps that are all dependent on each othe...

What adaptations help these creatures survive?

How do mammals move? Make flipbooks to see six different mammals in action.
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With its furry coat, friendly face, and playful nature, the sea otter is perhaps one of the most endearing animals in th...
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This theropod belonged to a group called ornithomimids, also called "ostrich-mimics." 

Join scientist George Amato on his quest to stop criminals smuggling illegal goods.
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One look at Redondasaurus, and you might think it's a crocodile. After all, it has a similar long, armored body, with a ...
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What do we have in common with sharks, bluebirds, lizards, and toads? We are all vertebrates, or animals with backbones....
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All animals of the sea depend on plankton, the tiny organisms that drift in the ocean.
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The blue whale is the largest animal ever to have lived on Earth.
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Animals swim, walk, crawl, slither, squirm, and even fly through the air. They can catch free rides by attaching themsel...

Can you make it down to the ocean floor? Along the way, discover what makes water special.
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The American crocodile has lived on Earth for millions of years, but today their numbers are rapidly declining because t...
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Tipping the scales at more than 7 pounds, the Goliath is the largest frog in the world. Just two of these frogs weigh as...
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The first vertebrates to fly took to the skies about 215 million years ago. These creatures were neither birds nor bats....
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Plankton are the microscopic organisms of the sea. Just as plants form the basis for the ecosystem on land, phytoplankto...
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The snowy egret is a beautiful sight. An adult egret is distinguished by its dark slender beak, long black legs, and yel...
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For over 1,000 years, people called the Inuit lived in the Arctic. Long ago, they relied on fishing and hunting for surv...
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If you watched an American black bear lumbering through the forest, you might not notice anything unusual about how it m...
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Fossils are the key to understanding life in the past.
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From waves to waterfalls, water is usually on the move. And that means it has energy. When this energy is captured and t...

Take a look at the science of where it ALL begins.
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The Sumatran tiger is found in only one place on the Earth -- on the island of Sumatra in Indonesia. Fewer than 500 of t...
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Long before dinosaurs, these strange roach-like creatures scurried along the ancient sea floor.
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About 100 million years ago, a flying reptile called Pterodaustro guinazui soared above the coast of what is now Argenti...
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The whooping crane is known as the tallest bird in North America. This long legged creature has been struggling to survi...
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Based on fossils of ancient dragonflies, we know these winged insects have been soaring around for at least 300 million ...
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Scientists all over the world send precious cargo to Julie Feinstein: frozen samples of animal tissues.

Invertebrate ecologist Sacha Spector answers this question.

Conservation biologist Felicity Arengo answers this question.
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With vibrant colors and fantastic shapes, coral reefs are a breathtaking sight. These underwater structures are actually...
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Animals and plants are usually adapted to survive best in particular environments, known as their habitats.
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Some people may call invertebrates spineless because they lack a backbone or spine! But these amazing creatures are the ...
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The giant squid is the largest invertebrate, or animal without a backbone, ever to have lived on Earth! 

Kids took the OLogy Challenge and shared their work with us!

Kids took the OLogy Challenge and shared their work with us!
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Since he was a kid, George Amato has been wild about wildlife. Today he works for the Wildlife Conservation Society and ...
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Many other animals use camouflage -- colors, textures, or patterns that help them blend in with their environment.
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California sea lions are playful, intelligent, and fast—in and out of water. Their large flippers enable them to l...
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Polar bears are the top predator of the icy Arctic. But these large, furry white mammals have to work hard for their foo...
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Mercury is unlike any other metal. At room temperature, it is a shimmering liquid. In nature, mercury is found as a soli...
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Think today’s great white shark is scary? Megalodon was three times as long!
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A coral reef may look like a colorful underwater garden, but these living structures are made by thousands of tiny anima...
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This massive plant-eater lived about 100 million years ago. Today, a cast of this 122-foot long titanosaur welcomes visi...
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According to legend, the roc was a giant bird large and strong enough to carry an elephant in its claws. As incredible a...
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Like many kids interested in science, Ro Kinzler thought she wanted to be a marine biologist. But later on, she realized...
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A firefly's light seems rare and magical. Yet there are many living things that blink, glow, flash, and glitter. The dee...
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Until 1828, pterosaur fossils had been found only in Germany. Then a new kind of pterosaur fossil was discovered in Engl...

Ichthyologist Ian Harrison answers this question.
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Scientists call fossilized poop coprolites. That means “dung stone” in Greek.
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More than four thousand islands—including one big island—make up this nation in the Caribbean Sea.
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Antarctica is like no other place on Earth. The continent is covered almost entirely by a thick ice sheet. Yet there is ...

Take this 10-question quiz to test your knowledge of Tyrannosaurus rex, the ultimate predator!

See how many different plants and animals you can find in this virtual mangrove swamp. 

Water is a precious resource, and all things need water to survive.

How is the ocean like a layer cake? What creatures live there? And how important is the ocean? Take a dive and find out!

Materials and step-by-step instructions to make your own coral reef diorama.

OLogy learning: Find resources for K-5 grade levels.

Discover where starry-eyed Neil has followed his curiosity.

Museum scientists answer kids' questions!