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Crab Species

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Identifying Crab Species

There are approximately 4,500 species of crab worldwide ranging in size from tiny pea crabs (no more than a few millimeters across) to Japanese Spider Crabs, which can get to be 12 feet across and can live up to 100 years.

4500 known crab species means there is amazing variety in our oceans, and this guide will help you identify a few of them! If you want to categorize more crustaceans, be sure to check out our Shrimp Species guide!

Ocean Crab Species

More marine species identifications

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