Sunday, September 20, 2026
Science

Tiny beach-dwelling crustaceans are big-time sand movers, shaping the California coast

Stand on the damp sand on a California beach and chances are you're standing on top of an active earthworks site. Sand hoppers (Megalorchestia spp.), the tiny, shrimp-like creatures commonly found eating away at kelp on the shore, have been found to move massive amounts of sand, excavating up to 50...

Tiny beach-dwelling crustaceans are big-time sand movers, shaping the California coast
Image: Phys.org
Stand on the damp sand on a California beach and chances are you're standing on top of an active earthworks site. Sand hoppers (Megalorchestia spp.), the tiny, shrimp-like creatures commonly found eating away at kelp on the shore, have been found to move massive amounts of sand, excavating up to 50 kg (110 pounds) of sand per meter (3.3 feet) of shoreline per day.

Originally published at Phys.org

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