Dwarf cichlid is a term used by fishkeeping hobbyists to describe an arbitrary assemblage of small-sized fish from the family Cichlidae. Although the grouping is widely used in the aquarium industry and hobby, the grouping has no taxonomic or ecological basis and is poorly defined. Though dwarf cichlids are by definition small-sized cichlids, there is no accepted maximum length of a dwarf-sized cichlid. Some authors suggest a maximum of 10 centimetres (3.9 in.), while other suggest a maximum length of 12 centimetres (4.7 in.). The term is most frequently used to describe small South American or West African species which are suitable for soft, acidic (pH 4 to 7) densely planted aquariums, however, some aquarists and authors include within this "dwarf cichlid group" a variety of small-sized