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Arrow Crab
Product Code: RNC-00560 Available To Order
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Arrow Crab

Stenorhynchus seticornis
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Arrow Crab also known as the Caribbean Spider Crab or Arrowhead Crab are a carnivorous species preying on smaller invertebrates and fishes.

Livestock arrives in and out of stock very regularly, depending upon availability of the item from the source. The more rare and expensive items are often difficult to hold in stock, and can take time to source, so we generally require a deposit to locate and purchase the extremely rare items
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The Arrow Crab has extremely long legs. It is called the Arrow Crab because of the shape of the body and head. The size is variable, many reaching six inches, and some up to 10 inches. Females may be dramatically smaller. Different species inhabit different parts of the world.

They normally inhabit portions of the reef usually associated with a small cave or crevice. It is a hardy, long-lived invertebrate, that can be housed in the reef aquarium.

This crab has been known to attack crustaceans such as Boxer Shrimp, and may even attack small slow moving fish such as Mandarins.

All crabs are opportunistic feeders and if insufficient food is present they may pick at mushrooms or polyps searching for food. However, Arrow Crabs may provide the beneficial service of eating smaller Bristle Worms which some consider pests. They will accept almost all meaty, flake and pellet foods.

Minimum Aquarium Size

200 L

Max Size

15 cm

Reef Safe












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