''Caridina masapi'' is a

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 : ...

from

Sulawesi Sulawesi (), also known as Celebes (), is an island in Indonesia. One of the four Greater Sunda Islands, and the world's eleventh-largest island, it is situated east of Borneo, west of the Maluku Islands, and south of Mindanao and the Sulu Ar ...

. The species is endemic to the Malili lake system. It is commonly found on rocky substrate.

Threats

The species is under threat by pollution from a nickel mine, eutrophication by nearby human activity, invasive species like the

flowerhorn cichlid Flowerhorn cichlids are ornamental aquarium fish noted for their vivid colors and the distinctively shaped heads for which they are named. Their head protuberance is formally called a Nuchal lines, nuchal hump. Like blood parrot cichlids, they ar ...

and

pacu Pacu () is a common name used to refer to several species of omnivorous South American freshwater serrasalmid fish that are related to the piranha. Pacu and piranha do not have similar teeth, the main difference being jaw alignment; piranha hav ...

and excessive harvesting for the aquarium trade.

References

Atyidae Freshwater crustaceans of Asia Endemic freshwater shrimp of Sulawesi Crustaceans described in 1937 {{Caridea-stub