The Octopod, or Brazilian Cuttle Fish. By Lucie L. Hartt. On supporting science journalism. If you're enjoying this article, consider supporting our award-winning journalism by subscribing.

I look at a photo online of a common cuttlefish in the water. Its appearance is unusual, almost weird – it wouldn’t look out of place as a magical creature in Harry Potter. From a bulbous head ...

Among the many animals that attract attention from their seemingly sensational appearance, none are so little, and at the same time so well-known in a general way, as those forming the class ...