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Pea Crab — printable fact sheet
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Animal Fact Sheet
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Pea Crab
Pinnotheres pisum
The pea crab is a tiny, soft-bodied crab known for its commensal lifestyle, living inside the shells of bivalve mollusks such as mussels, oysters, and clams. Measuring only a few millimeters across, these crabs use the host’s shell for protection while feeding on food particles …
Did you know?
- Pea crabs can sometimes be found inside oysters served at restaurants, surprising unsuspecting diners!
- Pea crabs are considered the world's smallest crabs and are often mistaken for parasite eggs by those unfamiliar with them. Their presence is often undetected unless the host mollusk is opened for inspection.
What I learned
Draw the pea crab
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