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Fish Identification: Find Species


Family: Trachichthyidae Slimeheads



(See list of species below)



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52 species
(see list below)
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No picture found

Max. Length 7.5 cm SL

 
Aulotrachichthys argyrophanus
[Western luminous roughy]

Photo by Fischer, L.G.

Southwestern Atlantic
Max. Length 10.3 cm TL
Aulotrachichthys atlanticus (Menezes, 1971)

Photo by Photo by Fischer, L.G.
 
Aulotrachichthys atlanticus
[Brazilian luminous roughy]

Photo by Randall, J.E.

Eastern Central Pacific
Max. Length 6.7 cm TL
Aulotrachichthys heptalepis (Gon, 1984)

Photo by Photo by Randall, J.E.
 
Aulotrachichthys heptalepis
[Hawaiian luminous roughy]
No picture found

Max. Length 5.1 cm SL

 
Aulotrachichthys latus
[Philippine luminous roughy]

Photo by Nazarkin, M.V.

Southwest Pacific
Max. Length 11.4 cm SL
Aulotrachichthys novaezelandicus (Kotlyar, 1980)

Photo by Photo by Nazarkin, M.V.
 
Aulotrachichthys novaezelandicus
[New Zealand roughy]
No picture found

Max. Length 8.3 cm SL

 
Aulotrachichthys nyx
[Dark-night luminous roughy]

Photo by The Fish Database of Taiwan

Pacific Ocean
Max. Length 6.1 cm SL
Aulotrachichthys prosthemius (Jordan & Fowler, 1902)

Photo by Photo by The Fish Database of Taiwan
 
Aulotrachichthys prosthemius
[West Pacific luminous roughy]
No picture found

Max. Length 8 cm SL

 
Aulotrachichthys pulsator
[Golden roughy]

Photo by Reyes, R.B.

Indian Ocean
Max. Length 9.6 cm SL
Aulotrachichthys sajademalensis (Kotlyar, 1979)

Photo by Photo by Reyes, R.B.
 
Aulotrachichthys sajademalensis
[Saya de Malha luminous roughy]

Photo by Matsunuma, M.

Northwest Pacific
Max. Length 8.9 cm SL
Aulotrachichthys spiralis Matsunuma, Ujihara & Endo, 2023

Photo by Photo by Matsunuma, M.
 
Aulotrachichthys spiralis
[Spiralis luminous-roughy]

Photo by Endo, H.

Northwest Pacific
Max. Length 10.8 cm SL
Aulotrachichthys titan Matsunuma, Ujihara & Endo, 2023

Photo by Photo by Endo, H.
 
Aulotrachichthys titan
[Large-head luminous-roughy]

Photo by Delph, R.

Eastern Atlantic
Max. Length 60 cm TL
Gephyroberyx darwinii (Johnson, 1866)

Photo by Photo by Delph, R.
 
Gephyroberyx darwinii
[Darwin's slimehead]

Photo by Shao, K.T.

Northwest Pacific
Max. Length 20 cm SL
Gephyroberyx japonicus (Döderlein, 1883)

Photo by Photo by Shao, K.T.
 
Gephyroberyx japonicus
[Big roughy]
No picture found

Max. Length 19 cm SL

 
Hoplostethus abramovi
[]

Photo by Orlov, A.

Western Atlantic
Max. Length 75 cm TL
Hoplostethus atlanticus Collett, 1889

Photo by Photo by Orlov, A.
 
Hoplostethus atlanticus
[Orange roughy]

Photo by Bañón Díaz, R.

Eastern Atlantic
Max. Length 30 cm TL
Hoplostethus cadenati Quéro, 1974

Photo by Photo by Bañón Díaz, R.
 
Hoplostethus cadenati
[Black slimehead]
No picture found

Max. Length 12.3 cm SL

 
Hoplostethus confinis
[]

Photo by The Fish Database of Taiwan

Northwest Pacific
Max. Length 25.4 cm SL
Hoplostethus crassispinus Kotlyar, 1980

Photo by Photo by The Fish Database of Taiwan
 
Hoplostethus crassispinus
[]
No picture found

Max. Length 13.1 cm SL

 
Hoplostethus druzhinini
[]
No picture found

Max. Length 15.9 cm SL

 
Hoplostethus fedorovi
[]
No picture found


 
Hoplostethus fragilis
[Chilean roughy]
No picture found

Max. Length 52.5 cm SL

 
Hoplostethus gigas
[Giant sawbelly]
No picture found

Max. Length 45.5 cm SL

 
Hoplostethus grandperrini
[Grandperrin’s giant sawbelly]

Photo by National Museum of Marine Biology and Aquarium, Taiwan

Northwest Pacific
Max. Length 12.6 cm SL
Hoplostethus japonicus Hilgendorf, 1879

Photo by Photo by National Museum of Marine Biology and Aquarium, Taiwan
 
Hoplostethus japonicus
[Western Pacific roughy]

Photo by CSIRO

Eastern Indian Ocean
Max. Length 53 cm TL
Hoplostethus latus McCulloch, 1914

Photo by Photo by CSIRO
 
Hoplostethus latus
[Palefin sawbelly]
No picture found

Max. Length 12.2 cm SL

 
Hoplostethus marisrubri
[Red Sea roughy]

Photo by De Sanctis, A.

Cosmopolitan. Atlantic. I
Max. Length 42 cm SL
Hoplostethus mediterraneus Cuvier, 1829

Photo by Photo by De Sanctis, A.
 
Hoplostethus mediterraneus
[Mediterranean slimehead]
No picture found

Max. Length 51.5 cm SL

 
Hoplostethus melanopeza
[New Zealand giant sawbelly]
No picture found

Max. Length 14 cm TL

 
Hoplostethus melanopterus
[Blackfin roughy]

Photo by Reyes, R.B.

Indo-West Pacific
Max. Length 25 cm TL
Hoplostethus melanopus (Weber, 1913)

Photo by Photo by Reyes, R.B.
 
Hoplostethus melanopus
[Smallscale slimehead]

Photo by Robertson, R.

Eastern Pacific
Max. Length 12 cm TL
Hoplostethus mento (Garman, 1899)

Photo by Photo by Robertson, R.
 
Hoplostethus mento
[Slimy head]
No picture found


 
Hoplostethus metallicus
[Metallic roughy]
No picture found

Max. Length 14.7 cm SL

 
Hoplostethus mikhailini
[]

Photo by Fischer, L.G.

Atlantic Ocean
Max. Length 17.3 cm SL
Hoplostethus occidentalis Woods, 1973

Photo by Photo by Fischer, L.G.
 
Hoplostethus occidentalis
[Atlantic Roughy]

Photo by Briones-Mendoza, J.

Southeast Pacific

Hoplostethus pacificus Garman, 1899

Photo by Photo by Briones-Mendoza, J.
 
Hoplostethus pacificus
[Eastern Pacific roughy]
No picture found

Max. Length 14.1 cm SL

 
Hoplostethus ravurictus
[]
No picture found

Max. Length 7.5 cm SL

 
Hoplostethus rifti
[]

Photo by Moore, J.

Northwestern Pacific
Max. Length 35.4 cm SL
Hoplostethus robustispinus Moore & Dodd, 2010

Photo by Photo by Moore, J.
 
Hoplostethus robustispinus
[Thickspine roughy]
No picture found

Max. Length 24.7 cm SL

 
Hoplostethus roseus
[Rosy roughy]
No picture found

Max. Length 10.5 cm SL

 
Hoplostethus rubellopterus
[]
No picture found

Max. Length 20.3 cm SL

 
Hoplostethus shubnikovi
[Metavay sawbelly]

Photo by SFSA

Western Indian Ocean
Max. Length 21 cm TL
Hoplostethus tenebricus Kotlyar, 1980

Photo by Photo by SFSA
 
Hoplostethus tenebricus
[]
No picture found

Max. Length 19.6 cm SL

 
Hoplostethus vniro
[]

Photo by Graham, K.

Southwest Pacific
Max. Length 9.5 cm SL
Optivus agastos Gomon, 2004

Photo by Photo by Graham, K.
 
Optivus agastos
[Violet roughy]
No picture found

Max. Length 9.1 cm SL

 
Optivus agrammus
[Western roughy]

Photo by Randall, J.E.

Southwestern Pacific
Max. Length 11.3 cm SL
Optivus elongatus (Günther, 1859)

Photo by Photo by Randall, J.E.
 
Optivus elongatus
[Slender roughy]
No picture found


 
Paratrachichthys fernandezianus
[Chilean sandpaperfish]

Photo by Graham, K.

East Indian to Southweste

Paratrachichthys macleayi (Johnston, 1881)

Photo by Photo by Graham, K.
 
Paratrachichthys macleayi
[Sandpaper fish]
No picture found

Max. Length 24.6 cm SL

 
Paratrachichthys trailli
[Common roughy]
No picture found


 
Parinoberyx horridus
[]

Photo by CSIRO

Eastern Indian Ocean
Max. Length 8 cm TL
Sorosichthys ananassa Whitley, 1945

Photo by Photo by CSIRO
 
Sorosichthys ananassa
[Little pineapple fish]

Photo by Randall, J.E.

Indo-Pacific
Max. Length 15 cm SL
Trachichthys australis Shaw, 1799

Photo by Photo by Randall, J.E.
 
Trachichthys australis
[Roughy]


Sort by: Species Length Year
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Scientific Name English Name Distribution Max. Length (cm) Year
Aulotrachichthys argyrophanus Western luminous roughy Southwest Atlantic 7.5 SL 1961
Aulotrachichthys atlanticus Brazilian luminous roughy Southwestern Atlantic 10.3 TL 1971
Aulotrachichthys heptalepis Hawaiian luminous roughy Eastern Central Pacific 6.7 TL 1984
Aulotrachichthys latus Philippine luminous roughy Western Pacific 5.1 SL 1938
Aulotrachichthys novaezelandicus New Zealand roughy Southwest Pacific 11.4 SL 1980
Aulotrachichthys nyx Dark-night luminous roughy Northwest Pacific 8.3 SL 2023
Aulotrachichthys prosthemius West Pacific luminous roughy Pacific Ocean 6.1 SL 1902
Aulotrachichthys pulsator Golden roughy Eastern Indian Ocean 8 SL 1987
Aulotrachichthys sajademalensis Saya de Malha luminous roughy Indian Ocean 9.6 SL 1979
Aulotrachichthys spiralis Spiralis luminous-roughy Northwest Pacific 8.9 SL 2023
Aulotrachichthys titan Large-head luminous-roughy Northwest Pacific 10.8 SL 2023
Gephyroberyx darwinii Darwin's slimehead Eastern Atlantic 60 TL 1866
Gephyroberyx japonicus Big roughy Northwest Pacific 20 SL 1883
Hoplostethus abramovi Western Indian Ocean 19 SL 1986
Hoplostethus atlanticus Orange roughy Western Atlantic 75 TL 1889
Hoplostethus cadenati Black slimehead Eastern Atlantic 30 TL 1974
Hoplostethus confinis Eastern Indian Ocean 12.3 SL 1980
Hoplostethus crassispinus Northwest Pacific 25.4 SL 1980
Hoplostethus druzhinini Western Indian Ocean 13.1 SL 1986
Hoplostethus fedorovi Western Central Pacific 15.9 SL 1986
Hoplostethus fragilis Chilean roughy Southeast Pacific 1959
Hoplostethus gigas Giant sawbelly Eastern Indian Ocean 52.5 SL 1914
Hoplostethus grandperrini Grandperrin’s giant sawbelly Northwest Pacific 45.5 SL 2012
Hoplostethus japonicus Western Pacific roughy Northwest Pacific 12.6 SL 1879
Hoplostethus latus Palefin sawbelly Eastern Indian Ocean 53 TL 1914
Hoplostethus marisrubri Red Sea roughy Western Indian Ocean 12.2 SL 1986
Hoplostethus mediterraneus Mediterranean slimehead Cosmopolitan. Atlantic. I 42 SL 1829
Hoplostethus melanopeza New Zealand giant sawbelly South Pacific 51.5 SL 2012
Hoplostethus melanopterus Blackfin roughy Western Central Pacific 14 TL 1938
Hoplostethus melanopus Smallscale slimehead Indo-West Pacific 25 TL 1913
Hoplostethus mento Slimy head Eastern Pacific 12 TL 1899
Hoplostethus metallicus Metallic roughy Western Central Pacific 1938
Hoplostethus mikhailini Southeast Atlantic and We 14.7 SL 1986
Hoplostethus occidentalis Atlantic Roughy Atlantic Ocean 17.3 SL 1973
Hoplostethus pacificus Eastern Pacific roughy Southeast Pacific 1899
Hoplostethus ravurictus Eastern Indian Ocean 14.1 SL 2008
Hoplostethus rifti Western Indian Ocean 7.5 SL 1986
Hoplostethus robustispinus Thickspine roughy Northwestern Pacific 35.4 SL 2010
Hoplostethus roseus Rosy roughy Western Pacific 24.7 SL 2022
Hoplostethus rubellopterus Indian Ocean 10.5 SL 1980
Hoplostethus shubnikovi Metavay sawbelly Indian Ocean 20.3 SL 1980
Hoplostethus tenebricus Western Indian Ocean 21 TL 1980
Hoplostethus vniro Eastern Central Atlantic. 19.6 SL 1995
Optivus agastos Violet roughy Southwest Pacific 9.5 SL 2004
Optivus agrammus Western roughy Eastern Indian Ocean 9.1 SL 2004
Optivus elongatus Slender roughy Southwestern Pacific 11.3 SL 1859
Paratrachichthys fernandezianus Chilean sandpaperfish Southeast Pacific 1887
Paratrachichthys macleayi Sandpaper fish East Indian to Southweste 1881
Paratrachichthys trailli Common roughy Western Pacific 24.6 SL 1875
Parinoberyx horridus Western Pacific 1984
Sorosichthys ananassa Little pineapple fish Eastern Indian Ocean 8 TL 1945
Trachichthys australis Roughy Indo-Pacific 15 SL 1799



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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