What Makes Blowfish Toxic? | Microbe Minute

ED YONG: These tropical fish have a signature defense. But inside some blowfish is even more protection– a potent toxin made by microbes. [MUSIC PLAYING] The inflated size of blowfish can thwart predators. [MUSIC PLAYING] Those with spines have even more security. [MUSIC PLAYING] And there’s a third defense that some of these fish share. […]

Nature’s Cutest Symbiosis: The Bobtail Squid | I Contain Multitudes

[MUSIC PLAYING] Hello. Yes, it’s me, right here. Being able to turn invisible, or at the very least being incredibly well-camouflaged, is incredibly useful, especially if I was a spy. I’m not a spy. For me, it would be really fun to be able to disappear from view on a whim. But for this creature, […]

Do Fish Drink Water?

If you have a pet, one of your jobs might be to make sure that your pet has plenty of food and water… …unless, of course, your pet is a fish! You have to feed your fish, but you don’t have to give them water — there’s water all around them! But do fish need […]

“We are chasing the last of the big fish” | Interview with fisheries scientist Daniel Pauly

The way we interact with the ocean, and with the world, is insane because we behave as if we had another planet, and we don’t. My name is Daniel Pauly, I’m a professor of fisheries at the University of British Columbia in Vancouver, Canada. I think the biggest change in the ocean has happened already, […]

Why are fish fish-shaped? – Lauren Sallan

In tropical seas, flying fish leap out of the water, gliding for up to 200 meters using wing-like fins, before dipping back into the sea. In the Indo-Pacific, a hunting sailfish can reach speeds of 110 kilometers per hour. That’s 11 times faster than Olympic swimming champion Michael Phelps. It can then stick up its […]

Milking the WORLD’S MOST VENOMOUS FISH! – Smarter Every Day 117

Hey it’s me Destin, welcome back to Smarter Every Day. Sometimes I like to walk around in my yard barefooted, which is awesome until I hit a little sticky weed, which hurts. I’m about to ruin the beach for you. There’s an animal called the stonefish that is the meanest thing that I have ever […]