''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. 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 hump. Like blood parrot cichlids, they are hybrids tha ...

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 ha ...

and excessive harvesting for the aquarium trade.

References

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