The Tiny Fish That’s Changing Modern Medicine

When you look at a zebrafish, you probably just see a cute, tiny fish that’s smaller than your pinky finger. But this little fish is so much more than that. You’re looking at an amazing scientific tool that has led to some major discoveries. Zebrafish have been used since the 1970s to study the development […]

All About Anglerfish

Did you know that about 70% of our planet is covered by water—that’s more than half of the world we live in! And the oceans are just full of all kinds of amazing living things! We’ve already told you about animals like dolphins, and penguins, and even the blobfish. But have you ever heard of […]

The Truth About That Fish That Climbs Into Urethras

[INTRO ♪] The candiru is a legendary monster. This parasitic Amazonian catfish is said to swim up into the urethras of unsuspecting bathers and devour their genitals from the inside out. It’s a terrifying tale—and one that we’ve actually told here on SciShow a couple of times. But science has shown that this story is […]

Fish Pee: The Coral Reef Superfood

The ocean is full of mysterious deep-sea life, sunken historical artifacts … and a whole lot of pee. I’m not just talking about those of you who think the ocean is his personal port-a-potty. There are millions of animals that live, eat, and make lots of waste in there. It might sound kind of gross, […]

How Do Fish Breathe? | Animal Science for Kids

Squeaks and I are adopting a pet goldfish! He lives in a fish tank, and he’s a great swimmer! In fact, this little guy’s whole body is really suited to life in the water. He has great fins to help him swim, and eyes that can stay open in the water. These special body parts […]

These Fish Eat Scales

[♪ INTRO] You’re probably pretty familiar with the Hollywood image of piranhas. The water starts churning, and suddenly an unlucky animal is nothing but a bare skeleton. And yeah, piranhas can definitely do some damage, but most of them aren’t these ferocious monsters. They eat lots of different things, and many piranhas — along with […]

Modern Human Migration and Echolocating Eels

There’s something that’s been puzzling scientists for a while. We knew that modern humans originally came from Africa about 200,000 years ago, but… we didn’t really know when we left. According a paper published this week in Nature, teeth found in Fuyan Cave in the Hunan Province of China puts prehistoric modern humans, or homo […]

7 of the Most Uniquely Fierce Sharks

[ ♪ Intro ] Sharks come in a lot of different shapes and sizes, and not just big, bigger, and “God, help save me!” Worldwide, there are at least 500 different shark species, and most of them aren’t the bazillion-toothed, seal and surfer-terrorizing nemeses of the deep that Hollywood tells us they are. The great […]

Super Sharks!

when you think of a shark what do you picture in your mind do you think of a big thing sticking out of the water or maybe a huge set of sharp teeth sharks are some of the most famous animals in the ocean but do you know what makes a shark shark well for […]