The National Aquarium: Water blog
Octopuses, along with several other molluscan members of the Cephalopoda class, are masters of camouflage. Watch how octopuses use their color-changing skills to their advantage!
Arms vs. TentaclesArms vs. Tentacles
If you think octopuses have tentacles, you’re not alone—but the eight limbs attached to an octopus’ head are actually arms. Learn about the difference between arms and tentacles!