''Cambarellus diminutus'' is a species of

crayfish Crayfish are freshwater crustaceans belonging to the clade Astacidea, which also contains lobsters. In some locations, they are also known as crawfish, craydids, crawdaddies, crawdads, freshwater lobsters, mountain lobsters, rock lobsters, mu ...

in the family Cambaridae. It is endemic to the United States. It is native to Mississippi and Alabama, and is listed as

Data Deficient A data deficient (DD) species is one which has been categorized by the International Union for Conservation of Nature (IUCN) as offering insufficient information for a proper assessment of conservation status to be made. This does not necessaril ...

on the IUCN Red List. The Cambarellus diminutus, known as the Least Dwarf Crayfish, is in the subgenus ''Pandicambarus'' of the genus ''Cambarellus'', this animal is typically 1–2 cm in size and an omnivore that typically feeds on anything but should be fed a diet of sinking pellet. The Least Dwarf Crayfish is a freshwater animal that can be found from Mississippi, Alabama, and southern Illinois and adaptable to slight changes in water condition, and capable of year-round breeding

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