Sand tiger sharks are brownish-gray with rust-colored spots on top and white underneath. They have a flattened, cone-shaped snout and a distinctive, oblong tail with a notched, upper lobe that is ...

She appears to be in good shape, as she lithely swishes her tail fin during her swims, Tokunaga said. Since opening in 2002, Aqua World has been trying to breed the sand tiger shark, a viviparous ...