SELECT DISTINCT SPECIES.Genus AS ResultField1, SPECIES.Species AS ResultField2, SPECIES.Author AS ResultField3, SPECIES.FBname AS ResultField4, SPECIES.FamCode AS ResultField5, SPECIES.SpecCode AS ID_Field, SPECIES.Length AS ResultField6, SPECIES.LTypeMaxM AS ResultField7, SPECIES.LengthFemale AS ResultField20, SPECIES.LTypeMaxF AS ResultField21, synonyms.year, FAMILIES.CommonName, FAMILIES.Family FROM (SPECIES LEFT JOIN synonyms ON SPECIES.SpecCode = synonyms.SpecCode) INNER JOIN FAMILIES ON SPECIES.FamCode = FAMILIES.FamCode WHERE (FAMILIES.FamCode =SPECIES.FamCode) AND (synonyms.valid <> 0) And ((FAMILIES.FamCode)=421) AND ((Families.Order)= 'Perciformes') AND ((Species.Genus) = 'Psenopsis') And ((FAMILIES.Class)='Actinopterygii') ORDER BY species.genus, species.species Fish Identification
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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
(see list below)
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Photo by CSIRO

Western Pacific
Max. Length 30 cm TL
Psenopsis anomala (Temminck & Schlegel, 1844)

Photo by CSIRO
Psenopsis anomala
[Pacific rudderfish]

Photo by Osmany, H.B.

Western Indian Ocean
Max. Length 23.5 cm TL
Psenopsis cyanea (Alcock, 1890)

Photo by Osmany, H.B.
Psenopsis cyanea
[Indian ruff]

Photo by FAO

Western Central Pacific
Max. Length 20 cm FL
Psenopsis humerosa Munro, 1958

Photo by FAO
Psenopsis humerosa
[Blackspot butterfish]

Photo by Pankratov, S.A.

Western Indian Ocean
Max. Length 13.3 cm TL
Psenopsis intermedia Piotrovsky, 1987

Photo by Pankratov, S.A.
Psenopsis intermedia

Photo by FAO

Indo-West Pacific
Max. Length 20 cm TL
Psenopsis obscura Haedrich, 1967

Photo by FAO
Psenopsis obscura
[Obscure ruff]
No picture found
Northwest Pacific
Max. Length 14 cm SL

Psenopsis shojimai

6 species

Sort by: Species Length Year
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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
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Identification by pictures:
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cfm script by eagbayani, 30.11.04, ,  php script by cmilitante, 05/11/2010 ,  last modified by cmilitante, 14/03/2013