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Fish Identification: Find Species

Class: Teleostei
Order: Argentiniformes
Family: Microstomatidae Pencil smelts

Genus: Nansenia

(See list of species below)


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18 species (see list below)
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Scientific Name English Name Distribution Max. Length (cm) Year
Nansenia ahlstromi Indo-West Pacific. 9.5 SL 1984
Nansenia antarctica Southern Ocean 22 SL 1984
Nansenia ardesiaca Robust smallmouth Indo-West Pacific. 20 SL 1914
Nansenia atlantica Eastern Atlantic. 16.8 SL 1962
Nansenia boreacrassicauda Atlantic Ocean 26.8 SL 2015
Nansenia candida Bluethroat argentine Northeast Pacific 22.2 SL 1958
Nansenia crassa Stout argentine Eastern Pacific 26.6 SL 1965
Nansenia groenlandica Greenland argentine North Atlantic 24.5 SL 1840
Nansenia iberica Mediterranean Sea 25 SL 1985
Nansenia indica Western Indian Ocean 10.7 1992
Nansenia longicauda Pacific and Atlantic. 13.3 SL 1984
Nansenia macrolepis Western Indian Ocean 20 TL 1922
Nansenia megalopa Eastern Atlantic. 14.0 SL 1984
Nansenia oblita Eastern Atlantic 18 SL 1887
Nansenia obscura Western Indian Ocean 15.2 SL 1992
Nansenia pelagica Southwest Atlantic, and w 10.8 SL 1984
Nansenia tenera Southeast Atlantic 11.2 SL 1984
Nansenia tenuicauda Southwest Atlantic 8.4 SL 1984



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