Cichliformes is an order of fishes. Its members were previously classified under the order

Perciformes Perciformes (), also called the Percomorpha or Acanthopteri, is an order or superorder of ray-finned fish. If considered a single order, they are the most numerous order of vertebrates, containing about 41% of all bony fish. Perciformes means ...

, but now many authorities consider it to be an independent order within the subseries

Ovalentaria Ovalentaria is a clade of ray-finned fishes within the Percomorpha, referred to as a subseries. It is made up of a group of fish families which are referred to in ''Fishes of the World's'' fifth edition as'' incertae sedis'', as well as the order ...

Families

There are two families within the Cichliformes; the convict blennies are a small

family Family (from la, familia) is a Social group, group of people related either by consanguinity (by recognized birth) or Affinity (law), affinity (by marriage or other relationship). The purpose of the family is to maintain the well-being of its ...

consisting of a single

genus Genus ( plural genera ) is a taxonomic rank used in the biological classification of extant taxon, living and fossil organisms as well as Virus classification#ICTV classification, viruses. In the hierarchy of biological classification, genus com ...

and two species, while the cichlids are one of the largest vertebrate families with over 202 genera and more than 1700 species. It is molecular data which placed the two seemingly dissimilar families in the same taxon. The families are: *

Pholidichthyidae ''Pholidichthys'' is a genus of ray-finned fish which consists of two species of the tropical Pacific Ocean. It is the only genus in the family Pholidichthyidae, one of two families in the order Cichliformes. Species The following two species ...

D.S. Jordan, 1896 (Convict blennies) *

Cichlidae Cichlids are fish from the family Cichlidae in the order Cichliformes. Cichlids were traditionally classed in a suborder, the Labroidei, along with the wrasses ( Labridae), in the order Perciformes, but molecular studies have contradicted thi ...

Bonaparte, 1835 (Cichlids)

References

{{Taxonbar, from=Q35134269 Ovalentaria Ray-finned fish orders