Illustration of a shark in a deep blue sea with a boat in the background

best quality,ultra-detailed,photorealistic:1.37,(highres,4k),underwater,shiny,wet,water splash,sparkling,translucent skin,natural habitat,coral reef,fantastical,mythical creature,breaching,graceful,awe-inspiring beauty,blue tones,dappled sunlight,rippling water,deep sea secrets,curved dorsal fin,powerful muscles,sleek body,sharp teeth,watchful eyes,large marine mammal,majestic presence,aurora borealis,peaceful harmony, After the teaching assistant confirms the visual effect，Display pictures will be provided in due time。

verybadimagenegative_v1.3, ng_deepnegative_v1_75t, (ugly face:0.8),cross-eyed,sketches, (worst quality:2), (low quality:2), (normal quality:2), lowres, normal quality, ((monochrome)), ((grayscale)), skin spots, acnes, skin blemishes, bad anatomy, DeepNegative, facing away, tilted head, {Multiple people}, lowres, bad anatomy, bad hands, text, error, missing fingers, extra digit, fewer digits, cropped, worstquality, low quality, normal quality, jpegartifacts, signature, watermark, username, blurry, bad feet, cropped, poorly drawn hands, poorly drawn face, mutation, deformed, worst quality, low quality, normal quality, jpeg artifacts, signature, watermark, extra fingers, fewer digits, extra limbs, extra arms,extra legs, malformed limbs, fused fingers, too many fingers, long neck, cross-eyed,mutated hands, polar lowres, bad body, bad proportions, gross proportions, text, error, missing fingers, missing arms, missing legs, extra digit, extra arms, extra leg, extra foot, ((repeating hair))