Amazon river prawn
Macrobrachium amazonicum
It is a freshwater shrimp that usually grows to about 5–15 cm in length. It has a long body, large claws, and long antennae that help it sense its surroundings.
Video
About this species
Species identity
It is valued for fast growth, adaptability, and fisheries.
Where it lives
It is found in rivers, lakes, wetlands, and floodplains across much of tropical South America. It is especially common in the Amazon Basin, but also occurs in other large river systems and coastal freshwater environments. This adaptable shrimp can live in a wide range of habitats, from slow-moving waters to areas influenced by seasonal flooding.
Role in the ecosystem
It feeds on plant material, small animals, and organic matter found on the bottom of rivers and wetlands. It helps recycle nutrients by breaking down and consuming dead material. It is also an important food source for fish, birds, and other aquatic animals, linking different parts of the food web.
Scientific reference
Citation
Ocean Literacy Connections
This resource can be explored through Ocean biodiversity.
- How do ocean habitats support so many forms of life and interaction?
Explore and connect
Open the primary consumer view and compare this species with related marine life.
FAQ
Why does Macrobrachium amazonicum have long antennae?
Its long antennae help it sense its surroundings, find food, and detect predators in often cloudy or dark waters.
Can Macrobrachium amazonicum survive seasonal floods?
Yes, this shrimp is well adapted to rivers and floodplains where water levels change throughout the year, allowing it to take advantage of new habitats and food sources during floods.