| Oplegnathus Temporal range: Early Miocene to present | |
|---|---|
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| O. fasciatus | |
Scientific classification 
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| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Actinopterygii |
| Order: | Centrarchiformes |
| Family: | Oplegnathidae Bleeker, 1853 |
| Genus: | Oplegnathus J. Richardson, 1840 |
| Type species | |
| Oplegnathus conwaii J. Richardson, 1840 | |
| Synonyms | |
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Oplegnathus is currently the sole recognized genus in the knifejaw family (Oplegnathidae) of marine centrarchiform ray-finned fishes. The largest, the Cape knifejaw, can reach a maximum length around 90 cm (35 in). Knifejaws have teeth fused into a parrot-like beak in adulthood. They feed on barnacles and mollusks, and are fished commercially. They are native to the Indian and Pacific Oceans.
Species
The currently recognized species in this genus are:
- Oplegnathus conwayi J. Richardson, 1840, 1840 (Cape knifejaw)
- Oplegnathus fasciatus (Temminck & Schlegel, 1844) (barred knifejaw or striped beakfish)
- Oplegnathus insignis (Kner, 1867) (Pacific beakfish)
- Oplegnathus peaolopesi J. L. B. Smith, 1947 (Mozambique knifejaw)
- Oplegnathus punctatus (Temminck & Schlegel, 1844) (spotted knifejaw)
- Oplegnathus robinsoni Regan, 1916 (Natal knifejaw)
- Oplegnathus woodwardi Waite, 1900 (knifejaw)
References
- Sepkoski, Jack (2002). "A compendium of fossil marine animal genera". Bulletins of American Paleontology. 364: 560. Retrieved 2008-01-08.
- Richard van der Laan; William N. Eschmeyer & Ronald Fricke (2014). "Family-group names of Recent fishes". Zootaxa. 3882 (2): 001–230. doi:10.11646/zootaxa.3882.1.1. PMID 25543675.
- Eschmeyer, William N.; Fricke, Ron & van der Laan, Richard (eds.). "Oplegnathus". Catalog of Fishes. California Academy of Sciences. Retrieved 11 April 2020.
- Eschmeyer, William N.; Fricke, Ron & van der Laan, Richard (eds.). "Genera in the family Oplegnathidae". Catalog of Fishes. California Academy of Sciences. Retrieved 11 April 2020.
- Froese, Rainer; Pauly, Daniel (eds.). "Family Oplegnathidae". FishBase. February 2014 version.
- J. S. Nelson; T. C. Grande; M. V. H. Wilson (2016). Fishes of the World (5th ed.). Wiley. p. 437. ISBN 978-1-118-34233-6.
- Froese, Rainer; Pauly, Daniel (eds.). "Species in genus Oplegnathus". FishBase. February 2014 version.
| Taxon identifiers | |
|---|---|
| Oplegnathidae | |
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