ultra-high definition piranha portrait, ai generated

photorealistic superdetailed anatomically biodiversity proportions ichthyology carnivorous definition showcasing background freshwater underwater resolution ultrahigh generated realistic ecosystem dangerous rendering portrait fullbody features accurate textures rendered isolated pristine detailed pectoral wildlife predator piranha correct america lateral biology closeup quality vibrant digital texture aquatic zoology scales fierce dorsal amazon colors exotic marine nature caudal white south gills teeth mouth river sharp full