Halloween Crab

Halloween Crab

it is not hard to understand why the Halloween Crab is so common in the marine industry. It boasts a fantastic colouration of red and orange banded legs and will most definitely stand out among all your clean up crew.

When housing this crab it is important to add additional shells to the aquarium, otherwise as it grows it may sought to attacking other crabs or snail in order to take their shell. It is important to note that this crab will also not tolerate any copper medications and it will mostly kill it.

Another reason as to why this crab is so highly sought after is that they are an amazing member of the clean up crew family and have a great ability of eating cyano and hair algae, which make them very appealing to hobbyists. Additionally, they provide a service that consistently aerates the sand bed as they scavenge through it, which can be invaluable in stopping nitrate built ups under the sand. Lastly, these crabs are reef safe and can live happily within reef aquariums with lots of corals.

This crab will most likely be content with eating the algae in your aquarium, but if there is an insufficient amount present then it is important to feed them. This can be done by offering a variety of herbivore preparations. 

Care Level: Easy
Temperament: Peaceful
Reef Compatible: Yes
Water Conditions: 72-78° F, dKH 8-12, pH 8.1-8.4, sg 1.023-1.025
Colour Form: Orange, Red
Diet: Omnivore
Supplements: Calcium, Magnesium, Iodine, Trace Elements
Family: Diogenidae
Origin: Hawaii

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Easy to Care For
Easy to Feed
Peaceful with Others
Reef Safe

  1. my Halloween Hermit is an astonishing bright orange color. I placed him into the tank and he immediantly crawled up onto some of the live rock in the tank. Beautiful and not at all shy about showing off his wonderful colors.

  2. This is the first thing I ever bought for my tank, about 7 years ago now! And its still active and fun to watch. Definitely worth getting some halloween crabs in any tank. Great to watch, and help with algae and uneaten food.

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