The Gray Nurse Shark (Carcharias taurus) is a species of concern belonging in the species group "fishes" and found in the following area(s): Africa, Asia, Australia, Central America, Europe, Middle East, North America (United States Territory), Oceanic, South America. This species is also known by the following name(s): Sand Tiger Shark, Spotted Ragged-tooth Shark.
Copyright Notice: This article is licensed under the GNU Free Documentation License. It uses material from the Wikipedia article "Sand tiger shark".
The Seven Sea Turtle Species of the WorldSea turtles are graceful saltwater reptiles, well adapted to life at sea. Unlike turtles on land, sea turtles cannot retract their legs and head. But with streamlined bodies and flipper-like limbs, they are graceful swimmers able to navigate across the oceans of the world.
Here, we look at the seven species that can be found today, all of which are said to have been around since the time of the dinosaurs.