A black and white photo of a dog with its mouth open

(best quality,4k,8k,highres,masterpiece:1.2),angry german shepherd,ferocious,snarling teeth,sharp claws,strong jaw,keen eyes,dark fur,determined expression,dynamic pose,detailed muscles,powerful stance,intense stare,vicious,barking aggressively,protective,suspecting,alert,aggressive body language,intimidating presence,fierce temperament,piercing gaze,dangerous canine,dominant predator,wild instincts,ready to attack,hostile,action shot,wild energy,unleashed fury,predatory instincts,muscular build,wide mouth,aggressive behavior,stalking its prey,showing dominance,in defense mode,exuding power,unyielding strength,majestic,intimidating,commanding presence,symbol of protection.