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Red burrowing crab, Red fiddler crab (Uca sp.)

Family: Ocypodidae

Care level: Easy

Temperament: Peaceful

Reef compatibility: Reef safe

Max size: 1.5"

Diet: Omnivore

These colorful crabs are an interesting addition to a marine tank and are also still bit of a mystery to us here. It seems most likely that they are from the genus 'Uca', quite possibly the female of a species of fiddler crab but we have as of yet been unable to confirm it. 

There stunning colors and interesting behavior drives the allure behind these crabs. To care for them properly you need to provide an area whereby they can get out of the water, it can be a small rocky protrusion or a full on sanded beach area. As the name suggests they also like to bury themselves and dig around in sand and rubble so no bare bottom tanks for these crabs.

As are most crabs, the red burrowing crab is a scavenger feeding on algae, detritus and waste found in the sand. They are reef safe, leaving corals and other invertebrates alone. They can also be kept in groups, showing no agression at all. 


Due to variations in species your item may not be identical to that featured in the image, we do however ensure the species is correct and that the markings and colors are very similar.

Before ordering please familiarise yourself with our alive arrive guarantee and the process for making claims under our guarantee.



We offer an 'Arrive Alive' guarantee on all corals, critters, fish and invertebrates. If they do not arrive alive then subject to these terms and conditions you can request a replacement or refund. We guarantee our livestock will arrive alive, there is no reason why it should arrive any other way due to the care and professional way in which they are packaged with heatpacks, polystyrene boxes and all other necessary precautions considered for the species we are shipping.

Click here for more info. 

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Customer needs and animal care are at the centre of our business

We believe you can only get value if you get quality too and most of our customers agree we’ve got the balance right. From gentle acclimation and monitoring tank mates to tailored diets we go the extra mile to ensure we offer happy, healthy, livestock.

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Really nice shop. Nice coral and fish selection and prices are good too. Fish food is also a good quality and price. Will be visiting again soon 👍

Dee Stan

May be smaller then some shops in the area but very well priced and can always find a little jem or two in here I never leave without something new for the tank

Richard Fincham