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Cheilodactylus

From Wikipedia, the free encyclopedia

Cheilodactylus
Cheilodactylus fasciatus
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Chordata
Class: Actinopterygii
Order: Perciformes
Family: Cheilodactylidae
Genus: Cheilodactylus
Lacépède, 1803[1]
Type species
Cheilodactylus fasciatus
Lacepède, 1803[1]
Synonyms[1]

Cheilodactylus is a genus of marine ray-finned fishes belonging to the family Cheilodactylidae, known as morwongs, although this name is not unique to this family. They are found in the temperate waters of the southern hemisphere and in the North Pacific Ocean.

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  • Schooling Red Morwong, Cheilodactylus fuscus
  • Dusky Morwong, Dactylophora nigricans

Transcription

Taxonomy

Cheilodactylus was first formally described in 1803 by the French naturalist Bernard Germain de Lacépède when he described Cheilodactylus fasciatus which was its type species by monotypy.[1]

The traditional delimitation of the families Cheilodactlidae and Latridae is based on morphological differences, but the reliability of these differences has been called into doubt, and a phylogenetic analyses and genetics have not supported this arrangement. This has led to some authorities suggesting that the majority of species in Cheilodactylidae should be placed in Latridae.[2][3] A result of this rearrangement is that the only species which would remain in Cheilodactylidae are Cheilodactylus fasciatus and C. pixi from southern Africa.[2] This is because these analyses resolved the genus Cheilodactylus as polyphyletic.[2][4] These studies appear to show that most of the species in Cheilodactylus sensu lato instead apparently to belong in several different genera and are not even members of the same family, but how many and their exact delimitation is not clear at present.[2][5][6] The outlier species have been assigned to Chirodactylus, Goniistius, Morwong and Pseudogoniistius, but DNA and morphologic analyses found those species to be nested within Latridae and more derived than the kelpfish, marblefish and the Cheilodactylus type species C. fasciatus.[6][4][2]

The name of the genus is a compound of cheilos meaning “lip”, a reference to the thick, fleshy lips of the adults, and daktylos which means “finger”, a reference to the elongated lower rays on the pectoral fins.[7]

Species

The genus Cheilodactylus sensu lato includes sixteen species, this list shows the genera they have been assigned to under the proposed revised taxonomy:[1][8]

References

  1. ^ a b c d e Eschmeyer, William N.; Fricke, Ron & van der Laan, Richard (eds.). "Genera in the family Cheilodactylidae". Catalog of Fishes. California Academy of Sciences. Retrieved 28 July 2021.
  2. ^ a b c d e Christopher P. Burridge and Adam J. Smolenski (2004). "Molecular phylogeny of the Cheilodactylidae and Latridae (Perciformes: Cirrhitoidea) with notes on taxonomy and biogeography". Molecular Phylogenetics and Evolution. 30: 118–127. doi:10.1016/S1055-7903(03)00157-X.
  3. ^ John E. Randall (2007). Reef and Shore Fishes of the Hawaiian Islands. ISBN 1-929054-03-3.
  4. ^ a b C. P. Burridge and R.W.G. White (2000). "Molecular phylogeny of the antitropical subgenus Goniistius (Perciformes: Cheilodactylidae: Cheilodactylus): evidence for multiple transequatorial divergences and non-monophyly". Biological Journal of the Linnean Society. 70: 435–458. doi:10.1006/bijl.1999.0413.
  5. ^ Eschmeyer, William N.; Fricke, Ron & van der Laan, Richard (eds.). "Species in the genus Cheilodactylus". Catalog of Fishes. California Academy of Sciences. Retrieved 5 July 2019.
  6. ^ a b Ludt, W.B.; Burridge, C.P. & Chakrabarty, P. (2019). "A taxonomic revision of Cheilodactylidae and Latridae (Centrarchiformes: Cirrhitoidei) using morphological and genomic characters". Zootaxa. 585 (1). doi:10.11646/zootaxa.4585.1.7.
  7. ^ Christopher Scharpf & Kenneth J. Lazara, eds. (25 February 2021). "Order CENTRARCHIFORMES: Families CENTRARCHIDAE, ELASSOMATIDAE, ENOPLOSIDAE, SINIPERCIDAE, APLODACTYLIDAE, CHEILODACTYLIDAE, CHIRONEMIDAE, CIRRHITIDAE, LATRIDAE, PERCICHTHYIDAE, DICHISTIIDAE, GIRELLIDAE, KUHLIIDAE, KYPHOSIDAE, OPLEGNATHIDAE, TERAPONTIDAE, MICROCANTHIDAE and SCORPIDIDAE". The ETYFish Project Fish Name Etymology Database. Christopher Scharpf and Kenneth J. Lazara. Retrieved 29 July 2021.
  8. ^ Froese, Rainer, and Daniel Pauly, eds. (2021). "Latridae" in FishBase. June 2021 version.
This page was last edited on 27 October 2023, at 18:37
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