Tiny Sand Hoppers Move Massive Amounts of Sand on California Beaches

A new study highlights the outsized geological influence of sand hoppers, tiny crustaceans that live in the damp sand of California's beaches. These creatures, which feed on kelp and other organic matter, are so active in their burrowing and foraging that they effectively move massive amounts of sediment. The researchers describe the beach surface as an active earthworks site, with the animals constantly churning and transporting sand.

The findings reframe how coastal erosion and sand movement are understood, suggesting that biological activity from small invertebrates plays a far larger role than previously appreciated. While waves and currents are obvious drivers of coastal change, the steady, cumulative work of sand hoppers may be a significant, overlooked factor in shaping the shoreline.

The study focuses on the genus Megalorchestia, common along the California coast. By documenting the scale of sediment displacement caused by these animals, the researchers provide a new perspective on the interconnected processes that build and reshape beaches. The work underscores that even the smallest organisms can be powerful agents of landscape change. No other sources were included in this analysis, so no comparisons or contradictions were available.}```json lines? The user asked for strict JSON with exactly these keys. I provided a JSON object. Need to ensure it's valid JSON. The body contains markdown paragraphs. That's fine. The keyPoints are exactly 3. Headline under 80 chars: