Although hermit crabs must keep their gills moist in order to be able to breathe, they cannot breathe underwater. In fact, they will die if they are submerged in water because their gills will not provide the oxygen they... More »

A person can breathe underwater by using a snorkel or a scuba tank and regulator. Some people train themselves to hold their breath for long periods of time for freediving. Those who freedive use no external breathing su... More »

www.reference.com Sports & Active Lifestyle Water Sports & Activities

The vast majority of crabs have gills, much like fish, which extract oxygen dissolved in water. Even when they are on land, the gills can still absorb oxygen as long as they are kept moist. There is also a small selectio... More »

The vast majority of crabs have gills, much like fish, which extract oxygen dissolved in water. Even when they are on land, the gills can still absorb oxygen as long as they are kept moist. There is also a small selectio... More »

Hermit crabs are omnivores and eat almost anything available. In captivity, they may eat raw fish, cooked chicken and a variety of vegetables, fruits and nuts. More »

Hermit crabs mate when the male hermit crab places his reproductive organ, the spermatophore, into the female hermit crab's reproductive openings, the gonopores. It can be somewhat difficult to determine the sex of hermi... More »

According to The Hermit Crab Patch, hermit crabs are omnivorous scavengers. In captivity, they can be fed a range of plant and meat varieties, but the size of their meals needs to be properly adjusted to their size, acco... More »

www.reference.com Pets & Animals Marine Life Crabs