An octopus fighting a shark, its tentacles wrapped around the shark’s body.

Style: Photorealistic, with a focus on action and suspense.

Colors: The octopus should be a dark color, such as brown or black. The shark should be a bright color, such as white or blue.

Features: The octopus and the shark should be locked in a fierce battle, their tentacles and fins entangled. The scene should be full of action and suspense, with the outcome of the battle uncertain.