Cinematic action horror scene on a sunny Australian river surrounded by lush green jungle. A young couple kayaking in a white inflatable kayak: a terrified woman with long brown hair in a white t-shirt and life vest screams in panic at the front, while a muscular man in a dark t-shirt and life vest paddles desperately behind her with a shocked expression. A massive, hyper-realistic giant saltwater crocodile, over 40 feet long with dark armored scales, suddenly erupts from the murky water directly in front of the kayak. The enormous croc lunges aggressively with its jaws wide open, revealing massive sharp teeth and pink interior, creating huge water splashes. The crocodile slams into the kayak, flipping it violently and throwing the man overboard. Dynamic sequence shows the man being tossed into the air and plunging underwater, struggling and flailing in murky greenish water with bubbles rising. Fast-paced camera angles include close-up screaming faces, dramatic low-angle shots of the giant crocodile rising, POV from the kayak bow, and chaotic underwater shots of the man fighting to surface. Bright daylight, realistic water dynamics, intense splashing, photorealistic details, high tension Hollywood survival horror style, 10-second thrilling action clip.