Spinosaurus aegyptiacus, the largest of all known carnivorous dinosaurs, thrived during the Cretaceous period. Distinguished by its elongated, crocodile-like skull and sail-like structure on its back, it exhibited semi-aquatic adaptations, including webbed feet, to hunt fish in rivers and swamps of what is now North Africa.

Spinosaurus aegyptiacus was primarily found in what is now North Africa, particularly in regions that correspond to modern-day Egypt and Morocco. Fossil evidence suggests that they lived during the Cretaceous period, approximately 112 to 93 million years ago.

Spinosaurus inhabited riverine and deltaic environments, which were characterized by tropical climates with warm temperatures and seasonal rainfall. The region was likely composed of lush, vegetated landscapes with abundant water sources, supporting a diverse ecosystem.

Spinosaurus is believed to have been semi-aquatic, spending much of its time in and around water bodies. Its ecological niche was akin to that of modern crocodilians, preying on fish and other aquatic organisms. Evidence suggests adaptations such as a long, crocodile-like snout and conical teeth, ideal for catching fish. The presence of dense bones indicates adaptations for buoyancy control in water.