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Porcelain Crab (Petrolisthes galathinus)
Porcelain Crab
Please Note: Due to variations within species, your item may not look identical to the image provided. Approximate size range may also vary between individual specimen.
Please Note: Due to variations within species, your item may not look identical to the image provided. Approximate size range may also vary between individual specimen.
Porcelain Crab (Petrolisthes galathinus)

Quick Stats

Care Level Easy
Temperament Peaceful
Color Form Blue, Orange, Tan
Diet Carnivore, Filter Feeder
Reef Compatible Yes
Water Conditions 72-78° F, dKH 8-12, pH 8.1-8.4, sg 1.023-1.025
Max. Size 1"
Family Porcellanidae
Supplements Calcium, Magnesium, Iodine, Trace Elements
Compatibility View Chart
What do these Quick Stats mean? Click here for more information
Care Level Easy
Temperament Peaceful
Color Form Blue, Orange, Tan
Diet Carnivore, Filter Feeder
Reef Compatible Yes
Water Conditions 72-78° F, dKH 8-12, pH 8.1-8.4, sg 1.023-1.025
Max. Size 1"
Family Porcellanidae
Supplements Calcium, Magnesium, Iodine, Trace Elements
Compatibility View Chart
What do these Quick Stats mean? Click here for more information

Overview

The Porcelain Crab is common throughout the tropical oceans of the world, and has a flat, round body with two large front claws. These crabs have a pair of front arms called maxillipeds, which have ends that are feather-like in appearance. They use these appendages to filter the water for any passing food. They are peaceful and interesting invertebrates for the marine aquarium.

Porcelain Crabs live together in pairs typically found within or under rocks in nature. The ideal aquarium will contain plenty of live rock for both hiding and feeding, and will not contain any fish or invertebrates that may bring harm to these peaceful invertebrates. They are reef safe, and will not harm other invertebrates or corals.

The Porcelain Crab constantly filters the water for planktonic food, but will also scavenge for larger meaty portions. Offer the crab small bits of fish, shrimp or meaty food, as well as foods designed for filter feeders.

Approximate Purchase Size: 1/2" to 3/4"

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Customer Testimonials

Sage S Los Angeles , CA
Great little guys that are very shy. If you put them in a large tank don't be surprised if you rarely see them. Sometimes they lose an anemone. Make sure your tank can support an anemone before buying one of these guys as their 'pom poms' are little anemones.
Kenn F Ann Arbor , MI
This was a perfect addition to my 2.5g mini reef. They stay small. They do tend to hide a LOT even in a tank with no predators. While they say these are easy to care for, also remember that they carry anemones and you will want your water quality good enough to support them too. I suggest that their care level be considered MEDIUM. If the anemenes become stressed and die, the crab will go on, but I have never seen them find new anemones. I have never had anemones breed to make little baby ones for the crab to grab onto. Once gone, the crab will become even more reclusive since it won't have its major defensive shields for confidence.
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