"sand hopper"的定义和意义

What is a "sand hopper"?

A sand hopper is a small insect that belongs to the amphipod family. It is typically found in sandy coastal areas and is known for its ability to jump and hop across the sand. With its flattened body and long hind legs, the sand hopper is well adapted to its sandy environment. It plays an important role in the coastal ecosystem as a decomposer, feeding on organic matter and contributing to nutrient cycling.