Petrolisthes spp.

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Latin name Petrolisthes spp.
Local name Porcelain crab
Family Majoidea - Petrolisthes
Origin East Indian Ocean, West Indian Ocean, Australia, Japan, The Red Sea, The Mexican Golf, West Atlantic, Indonesia, Mediterranean Sea, East Pacific, New Zealand, Central/West Pacific
Max length 5 cm (2")
As aquarium fish
Minimum volume 50 l (13 gal)
Hardiness Hardy
Suitable for aquarium Suitable for most aquarium
Reef safe Always reef safe
Aggressiveness Peaceful
Recommended Small crustaceans (Krill, mysis, artemia...)
Mostly Detritus
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Beware of

This species is very secretive and will not often be seen out in the open. 

Keep in mind

This species is nocturnal and therefore the most active when the light is dimmed or turned off.

Descriptions and further reading

If stressed this crab will drop one or both claws.

Family description (Majoidea)

Most crabs are not wanted in coral aquaria, although there are a few which are either fun or useful.

References and further reading

About references

James W. Fatherree. 2010. Aquarium Invertebrates: Crabs in the Marine Aquarium - Advanced Aquarist - (English)
Ronald L. Shimek. 2004. Marine Invertebrates (PocketExpert Guide) - TFH Publications / Microcosm Ltd. - (English)
Bob Fenner. Crabs For Marine Aquariums? Part 1, Part 2, Part 3 - Wet Web Media - (English)