Episode Synopsis "Pen or Pure? Why squid and octopuses have ink"

Octopuses and squid can spray ink, but why? You can find out here! Also learn about other features of the ink sac and gland. Also, in Cephalopods in the news, learn about Heidi the octopus, who changed colors in her sleep.

Listen "Pen or Pure? Why squid and octopuses have ink"

More episodes of the podcast Cephalopodcast

• Greetings, earthling? Why cephalopods are alien-like
• Pen or Pure? Why squid and octopuses have ink
• Sticky situation! Why squid have suckers on their arms
• Inside out! Why squid are soft-bodied
• Tentacles have minds of their own! Why octopuses have 9 brains
• King of hearts! Why octopuses have 3 hearts
• Camouflage! How octopuses change color