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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 in
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11 species

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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


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