oblong tail with a notched, upper lobe that is significantly longer than the lobe below. Individuals range in size from 6.5 to 10.5 feet in length. Sand tigers are the only shark known to come to ...

One way that angel sharks do differ from other sharks is their caudal fin, or tail. Most sharks ... The angel shark buries itself into the sand and mud at the bottom of the ocean floor, with ...

This would solve two problems at once: how to avoid mining waste and how to tackle the sand crisis. We dub this "nose-to-tail" mining, following the trend in gastronomy to use every part of an animal.

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 ...