Caridina ensifera is a freshwater shrimp from Sulawesi. It is one of the 11 species of Caridina endemic to Lake Poso.Klotz, Werner, et al. "Lake Poso's shrimp fauna revisited: the description of five new species of the genus Caridina (Crustacea, Decapoda, Atyidae) more than doubles the number of endemic lacustrine species." ZooKeys 1009 (2021): 81. It lives on a variety of substrates, including wood, rocks, sand and macrophytes, but is also found in pelagic swarms. It is suspected to only live in shallow water.
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