Update 0.2.49.2
Dinosaurs can now swim across the surface of the water. Some dinosaurs are faster or slower in the water compared to on land. Only the Archelon and Sarcosuchus have swimming animations, all of the other dinosaurs will have to use their land-based movement animations for now.
Amphibious dinosaurs regenerate 200% stamina while swimming. Terrestrial and aerial dinosaurs regenerate 50% stamina while swimming. Aquatic dinosaurs regenerate 50% stamina while not swimming.
Dinosaurs above the water's surface have a harder time seeing and smelling swimming dinosaurs. Dinosaurs above the water's surface cannot see or smell underwater dinosaurs. Underwater dinosaurs cannot see or smell dinosaurs above the water's surface.