It weighed around 450 kg (1,000 lbs.)
I hope my answer helped everyone. : )
The plesiosaur ate mostly fish and plants
The Plesiosaur. Some people believe that the Loch Ness is a Plesiosaur.
It was not a dinosaur, but a plesiosaur and the longest plesiosaur. It could grow upto 15 m long.
The plesiosaur or the mosasaurid.
what other dinosaurs eat
nothing they are too big
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they ate fish.
Plesiosaur
a pleasant one xx
An Archaeopteryx may have been able to fly, but a plesiosaur is a swimming reptile, and it doesn't fly. Archaeopteryx could not fly is was too heavey and its wings were way too short to support flight and as for the plesiosaur as the previous person mentioned it was a swimming reptile
Plesiosaurs, a group of marine reptiles that lived during the Mesozoic Era, varied significantly in size and weight. On average, they typically weighed between 1,000 to 2,000 pounds (450 to 900 kilograms), but some larger species could weigh as much as 15,000 pounds (6,800 kilograms) or more. Their weight depended on factors such as species, size, and age.