is a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for sites to earn advertising fees by advertising and linking to,, and and other Affiliate programs. For optimum growth, Halloween hermit crabs need a temperature of 22 – 28°C  (~72°F – 82°F), a pH of 8.0 – 8.5, KH 8 – 16 and SG = 1.020-1.025. When the eggs hatch the larvae are planktonic until they are large enough to find small shells. Hermit Crabs spend their lives in empty gastropod shells and as one of their common names implies, the Halloween Hermit Crab has adapted to the shape of Cone Shells and they are usually found in these shells. Hermit crabs are fascinating creatures that are found on land and in the ocean. If you already have one, you must know this already, but for those of you, who do not own any Halloween hermit crabs, read below for more information on why they deserve a spot in your home aquarium. While these crabs are great, it is certainly important to think twice about which other animals you put in the tank with them. Coenobita zoea. They are lovely creatures and amazing animals for keepers of... How to Cure Brown Diatom Algae in Saltwater Aquariums. They are easy to feed and will devour large amounts of food. They need very high humidity (at least 70%) On this blog, I share all the things I learn about shrimp breeding as I go. Their bodies lack a hard protected Kingdom:Animalia As they grow, hermit crabs move into ever larger shells. Interesting Facts About Hermit Crabs. There are more than 1,100 hermit crab species worldwide; Hermit crabs do not breed in captivity; thus all that are sold as pets have been harvested from the wild Having shells of multiple sizes in your tank will ensure that your Halloween hermit crab is able to easily find a new shell when the old one gets to be too small. Like so many pet store owners looking to make a sale, the guy at the reptile store had assured my friends that the crabs needed no special food, heat or substrate requirements other than newspaper, water and table scraps.. It is a scavenger that will eat left over detritus on the substrate, and will also eat cyanobacteria and hair algae. Among the various species of African giant land snails, Archachatina marginata are probably the cutest and the most fascinating pets! The eyes and eye stalk are also orange colored. These hermit crabs are great for the quality of water in your marine aquarium. Yes, do not forget about algae. Hermit Crabs are opportunistic scavengers, feeding on anything they can find. These are Ciliopagurus Tricolor (Blue leg hermit crab – read my guide), Ciliopagurus Galzini, Ciliopagurus Vakovako, and Ciliopagurus strigatus. The Halloween Hermit Crab grows up to 60 mm in width although in the wild most seem smaller . They are more closely related to squat lobsters, which are not themselves true lobsters. Ciliopagurus strigatus is the most common species of the Ciliopagurus  genus in the world. They eat algae, so they will remove excess algae from your water, thereby naturally keeping your aquarium clean and healthy for the rest of your inhabitants. Originating from the Hawaiian Islands, the Halloween Hermit Crab boasts attractive color variegation and is a beautiful accent to the aquarium. They eat everything that humans eat. The Halloween Hermit Crab, with its vibrant orange and red banding, stands out as a member of your aquarium cleanup crew. Like all crustaceans, they need to molt at regular intervals to grow in size. The benefit to their natural diet is that their taste for algae means that Halloween hermit crabs will naturally rid your aquarium of excess algae. Do observe very carefully as there are reports of occasional rogue individuals. The Males chemically detect when a female is fertile and approach them, often holding onto the female until she is ready to mate with them. You can just purchase a normal LED aquarium light. Halloween hermit crabs tend to run on the larger side. If the algae level drops to the point of there not being enough in the aquarium for the emerald crab to eat, you can supplement their diet with dried seaweed and some additional meaty foods The Left-Handed Hermit Crab (Calcinus laevimanus) is so named because its left claw is considerably larger than its right. They is some dispute over whether they are reef safe or not and whether they can fulfil an algae eating function in reef tanks. Perhaps you want to learn some of the most interesting hermit crab facts for kids.Hermit crabs (Paguroidea) belong to the order of crustaceans called Decapoda, which literally means ‘ten-footed’. This hermit crab is characterized by vividly colored walking legs, a red body, and alternating horizontal bright orange and white bands giving it the likeness of the festive colors of Halloween. Yes you can mix them. So, if you are interested in getting into this hobby or just want some extra tips and tricks, well this is the right place for you. Nonetheless, every creature has its own set of needs, and this one is no different. We’ve done our best to gather as many facts as we can, so keep reading to find out more about this cool crab. They usually move into hiding or will retract into their shell when they see a diver. Hermit Crabs facts and data. Published by CRISP and SPC, Noumea, New Caledonia. Besides their beautiful ornamental looking, the vibrant orange and red banding, stands out as a member of your aquarium cleanup crew, Halloween hermit crabs are very easy to care for! Note: To prevent any incidents some aquarists advise to glue corals to the rocks. The name ‘hermit’ is based on its behavior of constantly moving from one ‘home’ to another on its own. The first set of legs has claws, and these have evolved to life in cone shells , being used as a barrier to seal themselves into the shell when threatened. //