description Macrobrachium americanum Overview
Macrobrachium americanum is a large freshwater shrimp belonging to the Palaemonidae family. It is native to the Pacific coast of the Americas, with its geographic range extending from the western coast of Mexico down to Peru. The species inhabits rivers, streams, and estuaries, where it is caught for local consumption by artisanal fishers. It is an important commercial species for regional fisheries in Central and South America.
insights Ranking position
Macrobrachium americanum ranks #60 of 138 in the Shrimp ranking, behind Northern Shrimp, ahead of Orange Rili Shrimp.
help Macrobrachium americanum FAQ
What is the common name for Macrobrachium americanum?
Macrobrachium americanum is commonly referred to as the American river prawn or big-claw river prawn. It is one of the largest freshwater prawn species native to the Americas, with adults sometimes exceeding 20 centimeters in total length.
Where is Macrobrachium americanum found in the wild?
This species is native to the Pacific coast of the Americas, with a natural range extending from Mexico through Central America down to Peru. It inhabits rivers, streams, and brackish estuarine environments along this coastline.
Is Macrobrachium americanum the same species used in commercial prawn farming?
No, the dominant species in global freshwater prawn aquaculture is Macrobrachium rosenbergii, native to South and Southeast Asia. Macrobrachium americanum is important for local artisanal fisheries but has not been widely adopted for large-scale commercial farming.
How can you identify Macrobrachium americanum in the wild?
The most distinctive feature is its greatly enlarged second pair of claws (chelipeds), which in mature males are disproportionately long and robust compared to the rest of the body. This prominent claw morphology is shared across the Macrobrachium genus but is especially pronounced in this species.
explore Explore More
Similar to Macrobrachium americanum
See all arrow_forward
Reviews & Comments
Write a Review
Be the first to review
Share your thoughts with the community and help others make better decisions.
