|Weakness||Charge, empowered Sonar|
|Appearances||Ecco: The Tides of Time|
They are thought to have influenced the Vortex Snake, possibly by being a test object for their behaviour, using crabs as placeholder sprites.
Crabworms are sessile and attached to rock outcrops. They stretch their crabs outward and can hurt Ecco on contact, but do not actively chase him.