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Fish Identification: Find Species

Class: Actinopteri
Order: Ophidiiformes
Family: Bythitidae Livebearing brotulas

Genus: Grammonus

(See list of species below)

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11 species in
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Eastern Atlantic
Max. Length 12 cm SL
Grammonus ater (Risso, 1810)

Photo by Photo by Patzner, R.
Grammonus ater

Western Atlantic
Max. Length 10 cm TL
Grammonus claudei (Torre y Huerta, 1930)

Photo by Photo by Charteris, M.
Grammonus claudei
[Reef-cave brotula]

Eastern Pacific
Max. Length 20.3 cm TL
Grammonus diagrammus (Heller & Snodgrass, 1903)

Photo by Photo by Allen, G.R.
Grammonus diagrammus
[Purple brotula]

Eastern Atlantic
Max. Length 10.6 cm SL
Grammonus longhursti (Cohen, 1964)

Photo by Photo by Wirtz, P.
Grammonus longhursti
No picture found

Max. Length 5.5 cm SL

Grammonus minutus

Max. Length 106 cm SL
Grammonus nagaredai Randall & Hughes, 2008

Photo by Photo by Randall, J.E.
Grammonus nagaredai

Southeast Atlantic
Max. Length 5 cm TL
Grammonus opisthodon Smith, 1934

Photo by Photo by SFSA
Grammonus opisthodon
[Bighead brotula]

Indo-West Pacific
Max. Length 21 cm SL
Grammonus robustus Smith & Radcliffe, 1913

Photo by Photo by Okamoto, M.
Grammonus robustus

Western Pacific
Max. Length 18 cm TL
Grammonus thielei Nielsen & Cohen, 2004

Photo by Photo by Thiele, W.
Grammonus thielei

Eastern Central Pacific
Max. Length 5.2 cm TL
Grammonus waikiki (Cohen, 1964)

Photo by Photo by Randall, J.E.
Grammonus waikiki

Northwest Pacific
Max. Length 9.8 cm SL
Grammonus yunokawai Nielsen, 2007

Photo by Photo by Yunokawa, K.
Grammonus yunokawai

11 species

Sort by: Species Length Year
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Scientific Name English Name Distribution Max. Length (cm) Year
Grammonus ater Eastern Atlantic 12 SL 1810
Grammonus claudei Reef-cave brotula Western Atlantic 10 TL 1930
Grammonus diagrammus Purple brotula Eastern Pacific 20.3 TL 1903
Grammonus longhursti Eastern Atlantic 10.6 SL 1964
Grammonus minutus Pacific Ocean 5.5 SL 2010
Grammonus nagaredai Pacific 106 SL 2008
Grammonus opisthodon Bighead brotula Southeast Atlantic 5 TL 1934
Grammonus robustus Indo-West Pacific 21 SL 1913
Grammonus thielei Western Pacific 18 TL 2004
Grammonus waikiki Eastern Central Pacific 5.2 TL 1964
Grammonus yunokawai Northwest Pacific 9.8 SL 2007

Other identification tools in FishBase

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Identification by morphometrics
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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