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Fish Identification: Find Species

Class: Actinopterygii
Order: Ophidiiformes
Family: Bythitidae Viviparous brotulas
Subfamily: Bythitinae
Genus: Grammonus

(See list of species below)

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11 species (see list below)

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Photo by Patzner, R.

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

Photo by Patzner, R.
Grammonus ater
No picture found
Western Atlantic
Max. Length 10 cm TL

Grammonus claudei
[Reef-cave brotula]

Photo by Allen, G.R.

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

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

Photo by Wirtz, P.

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

Photo by Wirtz, P.
Grammonus longhursti
No picture found
Pacific Ocean
Max. Length 5.5 cm SL

Grammonus minutus

Photo by Randall, J.E.

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

Photo by Randall, J.E.
Grammonus nagaredai

Photo by SFSA

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

Photo by SFSA
Grammonus opisthodon
[Bighead brotula]

Photo by Okamoto, M.

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

Photo by Okamoto, M.
Grammonus robustus

Photo by Thiele, W.

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

Photo by Thiele, W.
Grammonus thielei

Photo by Randall, J.E.

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

Photo by Randall, J.E.
Grammonus waikiki

Photo by Yunokawa, K.

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

Photo by Yunokawa, K.
Grammonus yunokawai
11 Species of Family Bythitidae with Genus Grammonus
(Viviparous brotulas)
Sort by: Species Length Year
1 of 1 Jump to:
Year Scientific Name English Name Distribution Max. Length (cm)
1810 Grammonus ater Eastern Atlantic 12 SL
1930 Grammonus claudei Reef-cave brotula Western Atlantic 10 TL
1903 Grammonus diagrammus Purple brotula Eastern Pacific 20.3 TL
1964 Grammonus longhursti Eastern Atlantic 10.6 SL
2010 Grammonus minutus Pacific Ocean 5.5 SL
2008 Grammonus nagaredai Pacific 106 SL
1934 Grammonus opisthodon Bighead brotula Southeast Atlantic 5 TL
1913 Grammonus robustus Indo-West Pacific 21 SL
2004 Grammonus thielei Western Pacific 18 TL
1964 Grammonus waikiki Eastern Central Pacific 5.2 TL
2007 Grammonus yunokawai Northwest Pacific 9.8 SL

Other identification tools in FishBase

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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