How Squids Lost Their Shells Animals Biology Videos 

Squids’ Shells: From Armor, to Vehicle, to Ghost

Shells made their first appearance between 635 and 541 million years ago, especially after the first predators had shown up. How have cephalopods’ shells evolved from armors to means of transportation? How have they adapted to further suit these animals’ needs? Watch this video from the PBS Eons series. The ancestors of modern, squishy cephalopods like the octopus and the squid all had shells. Shells helped mollusks move through water, giving them an advantage over similar animals without a shell. Over time, some cephalopods internalized their shell like a backbone, some…

Read More
Giant Squid (Photo ©AMNH/P.Rollins) Animals Biology Oceanography 

The Voyage of the Giant Squid

This episode of the Shelf Life video series focuses on a simple transportation problem– how to  transport the body of a rare giant squid. But long before they were a quandary for customs officials, these mysterious cephalopods fueled fear and folklore all over the world. While they may not breathe fire or devour large ships, the animals that inspired their mythological counterparts are no less fantastic. The Giant Squid and the Kraken Though giant squid won’t reach the size of the mythological gigantic kraken— often depicted demolishing boats with its…

Read More
error: