Naso (genus)
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| Unicorn fishes Temporal range: Eocene to Present[1] |
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| Spotted unicornfish, Naso brevirostris | |
| Scientific classification | |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Actinopterygii |
| Order: | Perciformes |
| Family: | Acanthuridae |
| Genus: | Naso Lacépède, 1801 |
| Species | |
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17, See text. |
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The unicorn fishes are 17 species of tropical, herbivorous marine surgeonfishes in the genus Naso. They are so named because of a spike that protrudes from the forehead. Some species have a bulbous protrusion rather than a pronounced spike, and some lack a spike altogether. Unicorn fishes usually have a pair of spines on each side of the tail shaft that are used for defense.
[edit] Species
- Whitemargin unicornfish, Naso annulatus (Quoy & Gaimard, 1825).
- Humpback unicornfish, Naso brachycentron (Valenciennes, 1835).
- Spotted unicornfish, Naso brevirostris (Cuvier, 1829).
- Naso caeruleacauda Randall, 1994.
- Gray unicornfish, Naso caesius Randall & Bell, 1992.
- Elegant unicornfish, Naso elegans (Rüppell, 1829).
- Horseface unicornfish, Naso fageni Morrow, 1954.
- Sleek unicornfish, Naso hexacanthus (Bleeker, 1855).
- Orangespine unicornfish, Naso lituratus (Forster, 1801).
- Elongate unicornfish, Naso lopezi Herre, 1927.
- Spotted unicornfish, Naso maculatus Randall & Struhsaker, 1981.
- Squarenose unicornfish, Naso mcdadei Johnson, 2002.
- Slender unicorn, Naso minor (Smith, 1966).
- Naso reticulatus Randall, 2001.
- Oneknife unicornfish, Naso thynnoides (Cuvier, 1829).
- Bulbnose unicornfish, Naso tonganus (Valenciennes, 1835).
- Humpnose unicornfish, Naso tuberosus Lacépède, 1801.
- Bluespine unicornfish, Naso unicornis (Forsskål, 1775).
- Bignose unicornfish, Naso vlamingii (Valenciennes, 1835).
[edit] Gallery
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Orangespine unicornfish, Naso lituratus
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Elongate unicornfish, Naso lopezi
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Bluespine unicornfish, Naso unicornis
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Whitemargin unicornfish, Naso annulatus
[edit] References
- ^ Sepkoski, Jack (2002). "A compendium of fossil marine animal genera". Bulletins of American Paleontology 364: 560. http://strata.ummp.lsa.umich.edu/jack/showgenera.php?taxon=611&rank=class. Retrieved 2008-01-08.
- Froese, Rainer, and Daniel Pauly, eds. (2006). Species of Naso in FishBase. January 2006 version.
- Dallas World Aquarium
- Wetwebmedia.com
- [1]
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