Realistic Shark Stalking Swimmer

a giant shark stalking a person who is swimming, aerial shot, realistic, 4k, HDR,4k, aerial photography, HDR, realistic, shark, underwater detailed,8K-quality image --ar 9:16 --v 7 Insert discreet watermark in the lower right corner of the image, vertical text (rotated 90°), written "aipromptlabs.online", Calibri Light font, white color with low opacity (semi-transparent), medium size. Extreme sharpness on the face, fabric texture and typography of the letters. Shot on Canon EOS R5, 50mm f/2.8, studio light.