C. compressus surface molt. Top most leg is a newly regenerated limb.

In: Biology, Caresheets, FAQ
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The molting cycle in crustacean is controlled by hormones. Below is a snippet from a study on crustacean molting that explains the role of hormones in the molting cycle. Land hermit crabs continue to molt their entire life unlike some other crustaceans. ERNEST S . CHANGM, ARILYN J. BRUCEA, ND SHERRY L. TAMONE Bodega Marine Laboratory, University of California, P.O. Box 247, Bodega Bay, California 94923 SYNOPSIS In order to increase in size, arthropods must first molt (shed) their confining exoskeleton. This molting process is under the immediate control of the steroid molting hormone 20-hydroxyecdysone (20-HE). Read the full article More articles on molting: WhatRead More →

In: Biology, Caresheets, General
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written by Sue Latel March 8, 2006 Little Billy has had 3 hermit crabs since his 12 birthday. He has a 20 gallon tank housing his 3 small PP crabs. One day when he is at the store picking up some ocean salt water for his crabs, he spots a tank containing 2 poor little Ruggies that have no water except for a damp sponge, huge pellets of food that he doubts they have even attempted to eat, and no ground cover to protect them from the 100 watt heat lamp that is shining directly on them from an open tank top. Billy has been aRead More →

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Originally written by Vanessa Pike-Russell After your crabitat is set up you will have to maintain it and your crabs. Below you will find a list of what tasks should be done daily, weekly and monthly. Daily o Refill fresh water dish and the ocean water pond o Empty and clean the food dish (no chemicals) o Offer a different food each day o Check the relative humidity level is 70- 80% o Check that your temperature zones are 75F on the cool end and 85F on the warm end (or within this min/max safe range). Weekly o Clean the bowls and dishes (without chemicals) oRead More →

Perlatus shell fight by Melissa Nesgoda @hermitcrabs56304 on Instagram

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Originally written by Vanessa Pike-Russell Behaviour in the Wild Land hermit crabs are territorial animals, and as such they will often act aggressively towards one another to establish a ‘pecking’ order among their colony. Sometimes this can be in the form of ‘feeler’ or antennae fights, others in violent pushing or flicking fellow tank mates out of the way. Usually this is not serious enough to warrant intervention. However, some hermit crabs will act in a manner that is harmful to other hermit crabs, often trying to pull their hermie buddy out of a desired shell, or attacking eyes, antennae, claws, legs or abdomen. IfRead More →

In: Caresheets, Crabitat
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Originally written by Vanessa Pike-Russell Hermit crabs are advertised as cheap and easy to maintain, which is not necessarily true. To keep your hermit crabs happy and healthy, you will need to provide a lot more than food and water. The following is a list of the essential items your pet hermit crabs will need: Essential items for optimum land hermit crab care Glass tank with lid: A glass tank is preferred over plastic tanks, which will scratch and will not be able to hold the humidity within the ventilated lids. Plastic tanks are not large enough to provide the necessary space. A glass lidRead More →

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Originally written by Vanessa Pike-Russell It is important that your land hermit crabs are able to bathe themselves. Bathing allows your hermit crab to re-hydrate their gills, replenish shell water and adjust the water salinity as well as flush out feces and wash off the sticky juices and food stuffs which are present when you offer fresh fruit, seafood and raw foods. Hermit Crabs urinate through their antennae, so any water spills during handling is shell water. Hermit Crabs have an anus located on the end of their abdomen, and have been observed to flick any wastes (droppings) out of their shells. These feces are oftenRead More →

Eurorep heat strip

In: Caresheets, Crabitat
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Compilation of information by Vanessa Pike-Russell and Stacy Griffith To keep your hermit crabs healthy and happy their environment should be kept in optimum temperature and humidity levels. If you are not able to keep the environment stable then your crabs will weaken and become stressed which will lead to death. Hermit crabs are ectothermic creatures and must have a warmish and cooler side to their substrate. If your temperature falls below 75F on a frequent basis you need a reliable and safe method for heating your crabitat. Whatever type of under tank heater or other heating method you use, it is STRONGLY recommended thatRead More →

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Originally written by Vanessa Pike-Russell-Updated by Stacy Griffith NOTE: The tank or habitat of land hermit crabs is often referred to as a Crabarium, Crabitat or Crabitank. This is a pet name for a hermit crab’s home. The best housing is a glass tank with securely fitting lid. A glass tank with lid helps keep the needed humidity and temperature levels stable. You should allow a small gap between the tank sides and the lid if condensation begins to appear on the sides of your tank.Disadvantages:Glass tanks, unless second hand, are somewhat expensive but worth the extra expense. If you have a lid that doesn’tRead More →

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Originally written by Vanessa Pike-Russell-Updated by Stacy Griffith What is Humidity? Humidity is a measure of the amount of water vapor in the air. It can be expressed in several ways. “Specific humidity” is the mass of water vapor per unit mass of combined dry air and water vapor, generally expressed in grams per kilogram. The specific humidity of an air parcel does not change with temperature. “Absolute humidity” is the density of water vapor, expressed as grams per cubic meter of air. “Relative humidity”  is the ratio of the partial pressure of water vapor to the equilibrium vapor pressure of water at a givenRead More →

C brevimanus

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Originally written by Vanessa Pike-Russell-Updated by Stacy Griffith There are a few reasons your hermit crab may be less active than you expected. Natural instincts Incorrect temperature and/or humdity Crabitat does not provide an interesting, enriched habitat Pre- molt Impending death Land Hermit crabs are primarily, but not exclusively, nocturnal creatures. That means that in the wild they sleep during the day and are active at night. This allows them to escape the drying heat of the sun as well as predators. They hide away in the leafy foliage or cool areas and are active once the sun has set and the moon is out,Read More →