Porcelain Crab
$7.50
The Porcelain Crab is a small crustacean from the Caribbean and tropical Atlantic, typically measuring 1–1.6 inches. It has a flat body, cream or white coloration with red or brown speckles, and is often found in reef crevices, sponges, or among anemones. Peaceful and non-venomous, it filter-feeds on plankton using feathery appendages. It is dioecious and females carry eggs under their abdomen. Moderate to difficult to keep in captivity due to sensitivity and planktonic diet. It can shed and regenerate its claws.
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The Porcelain Crab is a small, flat-bodied crustacean commonly found in coral reef crevices, under rocks, within sponges, or living symbiotically with sea anemones in the Caribbean Sea and tropical Atlantic. Despite their name, they are not true crabs but are more closely related to squat lobsters. They have a delicate, porcelain-like exoskeleton that easily breaks but can regenerate over time.
Coloration:
Typically white, cream, or beige with red or brown speckles or mottled patches, helping them blend into the reef environment.
Abundance & Typical Size:
Porcelain crabs are fairly common in shallow reef habitats. Adults usually measure around 1–1.6 inches across (including leg span).
Behavior & Aggressiveness:
They are peaceful, non-aggressive, and rely on hiding rather than fighting. They are filter feeders, using feathery mouth appendages to capture plankton from the water column.
Reproduction & Sexuality:
They are dioecious (separate sexes) and reproduce through internal fertilization. Females carry fertilized eggs beneath their abdomen until they hatch.
Venom:
Non-venomous and completely harmless to humans.
Tenure in Captivity:
Moderately difficult to keep. They require stable water parameters, frequent feeding with planktonic or fine particulate foods, and plenty of hiding spaces to feel secure.
Fun Facts:
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They can intentionally detach their claws (autotomy) to escape danger and later regenerate them.
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Their flattened bodies allow them to squeeze into narrow reef crevices.
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Some species live alongside anemones, gaining protection without harming their host.
The average size we offer for these crabs is around 1" diameter.
INV-CRA-PORC
4 Items
Data sheet
- Dificulty Level
- Begginer
- Behavior Tendency
- Passive
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The Porcelain Crab is a small crustacean from the Caribbean and tropical Atlantic, typically measuring 1–1.6 inches. It has a flat body, cream or white coloration with red or brown speckles, and is often found in reef crevices, sponges, or among anemones. Peaceful and non-venomous, it filter-feeds on plankton using feathery appendages. It is dioecious and females carry eggs under their abdomen. Moderate to difficult to keep in captivity due to sensitivity and planktonic diet. It can shed and regenerate its claws.