''Macrobrachium hancocki'' is a species of

freshwater shrimp Freshwater shrimp are any shrimp which live in fresh water. This includes: *Any Caridea (shrimp) which live in fresh water, especially the family Atyidae *Species in the genus ''Macrobrachium'' :*'' Macrobrachium ohione'', the Ohio River shrimp : ...

found from

Costa Rica Costa Rica (, ; ; literally "Rich Coast"), officially the Republic of Costa Rica ( es, República de Costa Rica), is a country in the Central American region of North America, bordered by Nicaragua to the north, the Caribbean Sea to the no ...

southwards to

Colombia Colombia (, ; ), officially the Republic of Colombia, is a country in South America with insular regions in North America—near Nicaragua's Caribbean coast—as well as in the Pacific Ocean. The Colombian mainland is bordered by the Car ...

and on

Cocos Island Cocos Island ( es, Isla del Coco) is an island in the Pacific Ocean administered by Costa Rica, approximately southwest of the Costa Rican mainland. It constitutes the 11th of the 13 districts of Puntarenas Canton of the Province of Puntarenas ...

and the

Galápagos Islands The Galápagos Islands (Spanish: , , ) are an archipelago of volcanic islands. They are distributed on each side of the equator in the Pacific Ocean, surrounding the centre of the Western Hemisphere, and are part of the Republic of Ecuador ...

. The species primarily inhabits swamp waters, small streams and stagnant pools. This species was first described in 1958. ''

References

Palaemonidae Freshwater crustaceans of South America Crustaceans described in 1950 Taxa named by Lipke Holthuis {{Caridea-stub