realistic red octopus swimming underwater - zbrush

red octopus underwater tentacles zbrush realistic detailing dark cyan light crimson hyperrealistic animal illustrations sketchfab uhd ominous simplest background mobile phone lock screen swimming digital art marine life ocean sea creature undersea artistic vibrant colors detailed modeling aquatic nature design artwork fantasy theme black ocean#39aph39#s surface showcasing intricate zbrush-style detailing features blue color scheme hyper-realistic details give eerily appearance creation offers character meticulous attention anatomy generated