Description: English: Glasshead grenadier (Hymenocephalus italicus) trawled at 500 m depth, Tuscan Archipelago. Date: 15 January 2016. Source: Own work. Author: Jo Langeneck.
Description: Hymenocephalus italicus. Date: 1896. Source: Résultats des campagnes scientifiques accomplies sur son yacht par Albert Ier, prince souverain de Monaco Fascicule X, Albert I, Prince of Monaco, 1848-1922 url. Author: Carl Nielsen.