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.
Males are larger than females. Large Asian bull elephants reach up to 11 ft (3,35 m) in shoulder height, weigh about 13,200 lbs (6.000 kg) and its tusks are up to 6 ft (180 cm) long. Females average about 8,400 lbs (3.800 kg). The female of this species has no or only small tusks.