The octopuses have a vibrant trade economy. This octopus family is preparing their sledge with a load of kelp textiles and preserved krill to take to market.
Octopuses have domesticated all sorts of animals for husbandry, service, and raw materials. This sand octopus rides a black-tipped reef shark and wields a turitella-shell spear.
This is the Tide Wall, a living reef that protects the great city-state of Polyps. The parapets are studded with elkhorn coral that breach the surface at low tide, and patrolled by guards at low tide. There are two entrances: A weighted lower gate for ground transport, and a buoyant upper gate...
Octopolis is set in a fictional future where humans drove themselves into extinction and intelligent octopus evolved in their wake. They’ve build their own society in the coral-encrusted ruins of our sunken cities. Disclaimer: I write Octopolis and have drawn everything you see in this image.
I’m in the process of making a DIY acrylic aquarium. It will be a 50g tank with a 20g sump. Ultimately (hopefully), it will end up as a coral reef tank, over time. But, my primary reason for building it in the first place was to have an octopus tank.
What type(s) of common aquarium octopus do...