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Spinosaurus was a fish eater. Physical adaptations for fishing include its long, narrow jaws and non-serrated, interlocking teeth. They may have even had pressure sensors in their jaws for detecting fish in the water even if they couldn't see the fish. Spinosaurus grew to be 49 feet in length, and that enormous size would have made them intimidating to other dinosaurs. Lastly, there was the spectacular sail of Spinosaurus, which clearly was an adaptation. Its use is unknown to scientists, but it may have been used to either cool or heat the Spinosaurus, to attract mates, or to intimidate rivals.

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12y ago

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