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Fish Identification: Find Species

Class: Actinopterygii
Order: Perciformes
Family: Centrolophidae Medusafishes

Genus: Psenopsis

(See list of species below)



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6 species in
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6 species

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Scientific Name English Name Distribution Max. Length (cm) Year
Psenopsis anomala Pacific rudderfish Western Pacific 30 TL 1844
Psenopsis cyanea Indian ruff Western Indian Ocean 23.5 TL 1890
Psenopsis humerosa Blackspot butterfish Western Central Pacific 20 FL 1958
Psenopsis intermedia Western Indian Ocean 13.3 TL 1987
Psenopsis obscura Obscure ruff Indo-West Pacific 20 TL 1967
Psenopsis shojimai Northwest Pacific 14 SL 1965



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