We named him Squirt—not because he was the smallest of the 16 cuttlefish in the pool, but because anyone with the audacity to scoop him into a separate tank to study him was likely to get soaked.

Octopuses are fascinating in more ways than one. Beyond their impressive intelligence, they also have other unique features like three hearts, an amazing ability to camouflage, and a central brain ...

We named him Squirt – not because he was the smallest of the 16 cuttlefish in the pool, but because anyone with the audacity to scoop him into a separate tank to study him was likely to get soaked.

The white package that arrived at Mattias Krantz’s home in Sweden after a five-hour flight contained an octopus that Krantz saved from becoming someone’s meal. Krantz’s hopes for the octopus, which he ...