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. […]