[seven] The colour variations are instantaneous and created by chromatophores underneath direct control of the Mind.[8] This octopus at times generates a "passing clouds" display when stationary near prey for instance a crab; this mimics a dim shadow passing across its area and may motivate the crab to move incautiously.[9] https://shanevicid.bloggactivo.com/36971468/k2-diablo-paper-an-overview