Hermit crabs need a lot of calcium to support the health of their exoskeleton, and this is especially true during molting. Ways to provide ample calcium to your crabs include the following: cuttlebone - readily available in pet stores (check the bird section) and can be given whole, or shredded and added to food.
Female elephants are called cows. Male elephants are called bulls. An entire group of elephants are reffered to as a heard. Elephants are very intelligent animals with complex social structures.
The African Elephant is the largest land animal, with males standing 3.2 metres or 10 ft to 4 metres or 13 ft at the shoulder. They weigh around 3,500 kilograms up to a reported 12,000 kilograms. The female is smaller, standing about 3 metres or 9.8 ft at the shoulder.