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Yes they do.But they only lay eggs in the ocean because the babies have to see water. If you have one as a pet I am 100% sure you won't breed them in your cage.It will not be a sucess.If someone says they suceeded they are lying. Yes, hermit crabs lay eggs.
Hermit crabs should NOT be kept in a cage. They need to be in a 10-30 gallon tank with enough sand to completely bury them - as they need to burrow when they molt. When molting they will bury themselves for as long as 1 week to 2 months. If your hermit crab has nowhere to bury themselves when molting they will either retreat into their shell for 1 week - 2 months, or may even die. PLEASE do the proper research before buying hermit crabs.
Pet stores may tell you that you can keep them in small cages with a sponge for water, but that is horribly incorrect. Hermit crabs CANNOT breath in regular air. The air needs to be at least 70-80% humidity, and they need to be in a tank that's at least 70 degrees fahrenheit. Hermit crabs can live up to 30 years. Most people only have their crabs from 1 week-3 months because they do not know how to properly care for them.
If you own a hermit crab and do not care for them as stated above PLEASE look into either acquiring the proper tools needed for their care, or consider turning them over to an animal sanctuary that cares for hermit crabs.
What else can I help you with?
How many eggs do fiddler crabs lay?
Well crabs lay eggs in the sea most the time but some types of crab lay egg in there and they mat in it as well
What are the natural predators of land hermit crabs?
Natural predators of land hermit crabs include birds, reptiles, and some mammals like raccoons and crabs. These predators typically prey on hermit crabs by sniffing them out, knocking them over, and breaking their shells to access the soft body inside.
When is hermit crab season?
Hermit crabs do not have a designated season in the wild; they are typically available year-round. However, the availability of hermit crabs in pet stores may vary depending on breeding cycles and demand. It's best to check with your local pet store for more specific information on when hermit crabs are available.
What is the species of hermit crab?
there are many species of hermit crab which one do you mean?the common hermit crabs species is bernhardus
Do hermit crabs drink fresh water?
The kind of hermit crabs most people think of are Land Hermit Crabs. They live on land, and need at least enough water to submerge themselves. Land Hermit Crabs do need sea salt to keep their body chemistry balanced, and as such, need access to both salt and fresh water. Marine Hermit Crabs require a full saltwater aquarium to survive. Such tanks are elaborate, and should be researched thoroughly before purchase. Saltwater pets of all sorts are often regarded as difficult to care for.
Do hermit crabs go through live birth or eggs?
Hermit crabs lay eggs in the ocean.
How many pregnancies do most hermit crabs have?
Zero. Hermit crabs lay eggs.
Do hermit crabs lay eggs or do they have to mate?
i think they get jiggy with a mate and lay eggs.
How does a crab lay eggs?
Hermit Crabs lay their eggs by going to where seawater is only.
Do male hermit crabs lay eggs?
zilch
Do hermit crabs have eggs?
Yes the lay there eggs in the water in the wild.
Do hermit crabs give birth or lay eggs?
they don't
Do hermit crabs die when they lay eggs?
They can, but it's not mandatory.
Do Land hermit crabs lay eggs?
Yes land hermit crabs do lay eggs if you suppose to have a sot of digged up spot in the tank check for a egg but watch out if you touch the egg the mother will not sense that the egg is hers and hermit crabs carry a disease called salmonella so do not touch 
How do you breed a hermit crab?
It's very rare when Hermit Crabs lay eggs in captivity.
Are hermit crab young hatched?
yes hermit crabs lay eggs in water and then they will hatch
How do you know when hermit crabs are pregnant?
They lay eggs not give birth
