Majoidea (Crabs)

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

Camposcia

Camposcia retusa

Decorator crab
Camposcia retusa

Aquarium
Hardy
Reef safe with caution

Decorator crab
Camposcia retusa

Mithraculus

Mithraculus sculptus

Emerald/Mithrax Crab
Mithraculus sculptus

Aquarium
Hardy
Reef safe

Emerald/Mithrax Crab
Mithraculus sculptus

Percnon

Percnon gibbesi

Sally Lightfoot Crabs
Percnon gibbesi

Aquarium
Hardy
Not reef safe

Sally Lightfoot Crabs
Percnon gibbesi

Petrolisthes

Petrolisthes spp.

Porcelain crab
Petrolisthes spp.

Aquarium
Hardy
Reef safe

Porcelain crab
Petrolisthes spp.

Stenorhynchus

Stenorhynchus seticornis

Yellowline arrow crab
Stenorhynchus seticornis

Special aquarium
Semi-hardy
Reef safe with caution

Yellowline arrow crab
Stenorhynchus seticornis