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.

Pen or Pure? Why squid and octopuses have ink

This is a podcast about cephalopods. Cephalopods are mollusks of the sea. Those are: octopuses, squid, cuttlefish, and nautiluses. Remember to tuna in! And keep an eye out for Cephalopods in the news, where you can learn about important cephalopods, like Inky the octopus who escaped from a New Zealand aquarium, or Otto the octopus who caused a power outage in an aquarium.

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Pen or Pure? Why squid and octopuses have ink

Pen or Pure? Why squid and octopuses have ink