Amphipoda

Amphipoda, commonly known as amphipods, are small, shrimp-like crustaceans found in marine, freshwater, and terrestrial environments. Ranging from a few millimeters to several centimeters in length, they have a laterally compressed body, which helps them swim efficiently. Amphipods play a crucial role in their ecosystems as both scavengers and prey for various animals. They contribute to nutrient cycling by breaking down organic matter. Common examples include beach hoppers and sand fleas. Their diverse habitats and adaptive traits make them important indicators of environmental health.