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Fish Identification: Find Species

Class: Actinopterygii
Order: Perciformes
Family: Acanthuridae Surgeonfishes, tangs, unicornfishes
Subfamily: Nasinae
Genus: Naso

(See list of species below)



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20 species in
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20 species

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Scientific Name English Name Distribution Max. Length (cm) Year
Naso annulatus Whitemargin unicornfish Indo-Pacific 100 TL 1825
Naso brachycentron Humpback unicornfish Indo-Pacific 90 FL 1835
Naso brevirostris Spotted unicornfish Indo-Pacific 60 TL 1829
Naso caeruleacauda Blue unicorn Western Central Pacific 40 SL 1994
Naso caesius Gray unicornfish Pacific Ocean 45.6 SL 1992
Naso elegans Elegant unicornfish Indian Ocean 45 SL 1829
Naso fageni Horseface unicornfish Indo-West Pacific 80 FL 1954
Naso hexacanthus Sleek unicornfish Indo-Pacific 75 FL 1855
Naso lituratus Orangespine unicornfish Pacific Ocean 46 SL 1801
Naso lopezi Elongate unicornfish Western Pacific 60 SL 1927
Naso maculatus Pacific Ocean 60 TL 1981
Naso mcdadei Squarenose unicornfish Indo-West Pacific 75 SL 2002
Naso minor Slender unicorn Indo-West Pacific 30 SL 1966
Naso reticulatus Reticulate unicornfish Western Pacific 49 SL 2001
Naso tergus Northwest Pacific 34.7 SL 2011
Naso thynnoides Oneknife unicornfish Indo-Pacific 40 FL 1829
Naso tonganus Bulbnose unicornfish Western Indian Ocean 60 SL 1835
Naso tuberosus Humpnose unicornfish Western Indian Ocean 60 SL 1801
Naso unicornis Bluespine unicornfish Indo-Pacific 70 FL 1775
Naso vlamingii Bignose unicornfish Indo-pan-Pacific 60 TL 1835



Other identification tools in FishBase


Quick Identification
Identification keys
Identification by morphometrics
Identification by pictures:
          If you already know the Family, go to Search FishBase, select Family and click on 'Identification by pictures' to display all available pictures in FishBase for the family.

          If you already know the Country, go to
Search FishBase, select Country and click on 'Identification by pictures' to display all available pictures in FishBase for the country.

          If you already know the Ecosystem, go to
Search FishBase, select Ecosystem and click on 'Identification by pictures' to display all available pictures in FishBase for the ecosystem.
cfm script by eagbayani, 30.11.04, ,  php script by cmilitante, 05/11/2010 ,  last modified by cmilitante, 14/03/2013