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3 X Ruggie Hermit Crab, Coenobita Rugosa


4 to 5cm shell size


The Ruggie Tree hermit crab, is a nice easy to care for hermit crab. Coenobita Rugosa boasts an exoskeleton of tan, cream, orange and other shades, with distinct large claw and comma shaped eye stalks.  As highly social animals, these crabs must be kept in groups of 3 or more. Please read full description for more information on the specific care of this species.

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4 to 5cm shell size

The Ruggie hermit crab, Coenobita Rugosa, is a great little hermit crab for the hobbyist. Like the Caribbean hermit crab, its care though specific, is relatively simple .  Ruggies are social creatures and do best kept in groups of at least 3. They need a habitat that is large enough for them to climb, burrow, and hide. The tank should be at least 20 gallons in size and have a sandy substrate, rocks, driftwood, a salt water bathing pool and a fresh water drinking pool. You can also add live plants to the tank, but make sure they are not poisonous to these crabs. If in doubt, artificial plants are also a great addition. Coenobita Rugosa needs a source of both fresh and saltwater. The fresh water should be changed daily and the saltwater should be changed weekly.  These crabs are omnivores and eat a variety of foods, including fruits, vegetables, protein such as raw or cooked fish, chicken and egg, and calcium such as egg shell or cuttle bone. Be sure to include a variety of foods to ensure that they are getting the nutrients they need.  Your Coenobita Rugosa “Ruggie” hermit crab will need a humid environment, and the humidity in the tank should be kept between 70% and 80%. You can do this by keeping the substrate damp and misting the tank daily or using a humidifier. These crustaceans are relatively easy to care for, but they do require some special attention. They need a source of suitable shells to change into as they wish and some will change shells often. Substrate should be at least 3 x the length of the crab for them to safely burrow and moult. They need hermit crabby company, one crab on its own is in danger of becoming depressed and dying. They need lots of climbing opportunities and other things to stimulate their active and mischievous little minds. They have even been known to enjoy using a hamster wheel!


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Our Next-Day Guaranteed service promises same-day packing and delivery before 1 pm the following day for all orders placed. For standard livestock delivery, we dispatch orders within 1-5 working days, and once dispatched, your order will arrive in less than 24 hours.

We pride ourselves on our attention to detail- it’s a priority that your critters are safe & snugly packed.

When you receive your order, open it up and locate the transport container your pet is inside. Gently ease out your pet into the home you’ve prepared for it.

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We’re confident in the quality husbandry, shipping, and packaging of our livestock. On the rare occasion an animal arrives in poor condition, we will provide credit for the cost of that animal. If all animals in the shipment arrive in poor condition, we will also provide credit for the postage.

We try to make it as easy as possible to help any unwell critters, and ensure you can get your money back. There are a couple of steps to go through before a refund can be issued.

If you’ve received an unwell animal in the mail:

1. If it is safe to do so, (your pet is not medically significant or harmful) please remove the animal from its transport container, ideally onto your hand. We ask this as invertebrates, particularly insects, are experts at ‘playing dead’.

2. To provide you with the best advice going forward and to confirm the condition of your pet, we kindly request a short video of the animal in question before your refund can be processed. This can be uploaded on our ‘live guarantee refunds form’, or you can email it straight to us.

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