Carangiformes is an

order Order, ORDER or Orders may refer to: * Categorization, the process in which ideas and objects are recognized, differentiated, and understood * Heterarchy, a system of organization wherein the elements have the potential to be ranked a number of d ...

of the

ray-finned fish Actinopterygii (; ), members of which are known as ray-finned fishes, is a class of bony fish. They comprise over 50% of living vertebrate species. The ray-finned fishes are so called because their fins are webs of skin supported by bony or h ...

es. The order is part of a clade which is a sister clade to the Ovalentaria, the other orders in the clade being

Synbranchiformes Synbranchiformes, often called swamp eels, is an order of ray-finned fishes that are eel-like but have spiny rays, indicating that they belong to the superorder Acanthopterygii. Taxonomy No synbrachiform fossil is known. The Mastacembeloidei were ...

, Anabantiformes, Istiophoriformes and Pleuronectiformes. The Carangiformes has been regarded as a

monotypic In biology, a monotypic taxon is a taxonomic group (taxon) that contains only one immediately subordinate taxon. A monotypic species is one that does not include subspecies or smaller, infraspecific taxa. In the case of genera, the term "unispec ...

order, with only the Carangidae within it, by some authorities and the families within the order have been classified as part of the wider order Perciformes. The 5th edition of

Fishes of the World ''Fishes of the World'' by the American Ichthyology, ichthyologist Joseph S. Nelson (1937–2011) is a standard reference for fish systematics. Now in its fifth edition (2016), the work is a comprehensive overview of the diversity and classificat ...

classify six families within the order Carangiformes, with other authorities expanding the order to include up to 30 families.

Families

The following families are classified within the order Carangiformes: * Nematistiidae

Gill A gill () is a respiratory organ that many aquatic organisms use to extract dissolved oxygen from water and to excrete carbon dioxide. The gills of some species, such as hermit crabs, have adapted to allow respiration on land provided they ar ...

(roosterfish) * Coryphaenidae Rafinesque, 1815 (dolphinfish) * Rachycentridae Gill 1896 (cobia) * Echeneidae Rafinesque, 1815 (remoras) * Carangidae Rafinesque, 1815 (jacks) * Menidae Fitzinger, 1873 (moonfishes) Coryphaenidae, Rachycentridae, and Echeneidae have been suggested to comprise a monophyletic grouping which has been recovered as a sister clade to the Carangidae. Mene oblonga 23

References

{{Taxonbar, from=Q1399107 Ray-finned fish orders