Fresh-water Turtle Species
The carapace (i.e., the upper exoskeleton or simply, the shell) of these turtles is gray in color, while their plastron is cream-colored. The species gets its name from the shape of its nose, which resembles the snout of a pig.
Marine Turtle Species
On an average, they weigh around 100 lbs and have a carapace length of about 76 cm. India and Costa Rica are the important nesting sites for Olive ridleys.
In northern Australia, these aquatic animals can be found in lagoons, estuaries, coral reefs, and grassy waters. Flatbacks have a low-domed carapace and thus, the name. The body length of these turtles is known to be in the range of 90 cm.
Though the average length of the leatherback species is 1.5 meters, specimen measuring 2 meters also surface once in a while. In fact, the biggest leatherback caught till date measured 3 meters. This turtle can be found in all the oceans of the world, including the region stretching from Alaska to New Zealand.
Hawksbills are called so because of their curvy and sharp beak. Interestingly, it is the only species (Eretmochelys imbricata) under the genus Eretmochelys. As for the main features of the hawksbills, they are their flipper-like limbs and depressed body shape.
The International Union for Conservation of Nature (IUCN) and Convention on International Trade in Endangered Species of Wild Fauna and Flora (CITES) has declared the green turtle an endangered species. Average weight of adult turtles is 200 lbs, while their body length is around 1.5 meters. This turtle is found in tropical and sub-tropical waters.