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The Blue Knuckle Hermit Crab has neon blue legs that make them a fan favorite. They will scavenge fish waste, algae, cyanobacteria, and detritus that have been deposited on live rock and substrate. Not only do they eat the aquarium's waste but they will also turn the sand, which aerates it. These little guys can find their way into even the smallest of spaces. Like all hermit crabs, they make their home in empty snail shells, be sure to have an array of empty shells available for them to move into when they grow. They will also take housing matters into their own pincers by occasionally eating a snail and taking that shell over; smaller snails are especially at risk. The Blue Knuckle hermit crabs are very hardy but are sensitive to copper.
SKU | 3466471 |
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Primary Brand | Petco Marine Inverts |
Days to Ship | Ships Next Business Day |
Max water Temp | 78 F |
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Pet Max Length | 2 IN |
Scientific Name | Calcinus elegans |
Special Diet | Omnivore |
Min Water Temp | 72 F |
Environment | Marine |
Temperament | Community |
Care Level | Easy |
Personalized Item flag | No |
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Petco takes great care to ensure that the Live Fish, Invertebrates & Plants you order arrives safely and in healthy condition. All Aquatic Life are guaranteed to stay alive for 7 days from the day they arrive at your home or we will gladly refund your money. Returns or refunds cannot be offered on Live Fish, Invertebrates & Plants that you decide you do not want. Please ensure the items you order are what you want before finalizing the order. If you experience a loss of your marine fish, freshwater fish, invertebrates, or live plants within 7 days of delivery please contact Customer Relations at 877-738-6742.
ACCLIMATION: Avoid exposing new aquatic life to bright lights after opening the box. Turn off aquarium lights prior to floating aquatic life. Allow the sealed bag with your new fish to float in your aquarium for at least 15 minutes (but no longer than one hour) to ensure the water in the bag matches the temperature in your aquarium. A bacteria booster addition can assist with the addition of new aquatic life. Petco offers free water testing in store to determine if your water is safe for the addition of new aquatic life. DIET: A well-balanced diet consists of a variety of flakes, pellets, freeze-dried and frozen foods, depending on the species. FEEDING: Feed sparingly and no more than fish can eat in 1-2 minutes. Overfeeding can quickly foul the water, especially in smaller aquariums.
If we need to contact you for any reason about your order, shipping of your package may be affected. Once your order is placed, you will receive a confirmation email with your order summary. Orders are subject to verification of payment information by phone or email. We ship for arrival to the customer Tuesday through Friday and Saturday for an extra charge where available.
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bought three hermit crabs on June 28th. Two of them are very active and have even witnessed them changing shells a few times. However, the third one seems to be staying burrowed most of the time. I am concerned.
My hermit crab hasn’t changed her shell I bought her the right sizes and she hasn’t changed her shell for almost 3 months what should I do?
can saltwater hermit crabs live with out water
My hermit crab is in his shell, but I'm not sure if he's molting or he's dead he smells like fish.
So my hermit crab hasn't melted for about 8 months should I be worried?
I recently got some hermit crabs. The nearest pet store to me is an hour away so I made a visit to purchase supplies. But I didn't get as much substrate as I needed, unfortunately. I was planning to go and get more when I had the chance. But I believe my largest crab is molting, it's trying to dig underground but there's not yet enough substrate for him to really bury himself yet. I know you should not bother a molting crab, but if I buy more substrate should I put it in there with him or wait
What morph is my leopard gecko?
leopard gecko has a hard lump above an arm
I found my hermit crab shell in my tank I think it’s dead but then I’ve seen legs inside of the tank and they moved what should I do oh an I took out the other shell
I have a pet hermit crab.I had mites before and got rid of them,but the mites came back why do they keep coming back and how do i get rid of the mites.
My pet turtle has a what looks like a blood clot or bruise on top of her head
patternless leopard gecko body compulsion waves contracting and growling