''Atyoida serrata'' is a

species In biology, a species is the basic unit of classification and a taxonomic rank of an organism, as well as a unit of biodiversity. A species is often defined as the largest group of organisms in which any two individuals of the appropriate s ...

of freshwater

shrimp Shrimp are crustaceans (a form of shellfish) with elongated bodies and a primarily swimming mode of locomotion – most commonly Caridea and Dendrobranchiata of the decapod order, although some crustaceans outside of this order are refer ...

of the

family Family (from la, familia) is a Social group, group of people related either by consanguinity (by recognized birth) or Affinity (law), affinity (by marriage or other relationship). The purpose of the family is to maintain the well-being of its ...

Atyidae Atyidae is a family of shrimp, present in all tropical and most temperate waters of the world. Adults of this family are almost always confined to fresh water. This is the only family in the superfamily Atyoidea. Genera and species The follow ...

and genus ''

Atyoida ''Atyoida'' is a genus of freshwater shrimp in the family Atyidae. There are four species in the genus, each endemic to a different island group. The type species, ''Atyoida bisulcata'', is endemic to Hawaiʻi and described by John Witt Randall ...

''. The species lives in the Vungu,

Umgeni The Umgeni River or Mgeni River ( zu, uMngeni) is a river in KwaZulu-Natal, South Africa. It rises in the "Dargle" in the KZN Midlands, and its mouth is at Durban, some distance north of Durban's natural harbour. The name is taken to mean "the r ...

, and Mtamvuna rivers in South Africa, as well as the Langevin River on

Réunion Island Réunion (; french: La Réunion, ; previously ''Île Bourbon''; rcf, label= Reunionese Creole, La Rényon) is an island in the Indian Ocean that is an overseas department and region of France. It is located approximately east of the island o ...

References

Crustaceans described in 1888 Atyidae Taxa named by Charles Spence Bate Fauna of South Africa Arthropods of Réunion {{Caridea-stub