HomeFish encyclopediaRay-finned fishesGrinnersLizardfishesSand lizardfish Sand lizardfish (Synodus dermatogenys) Scientific name: Synodus dermatogenys Fowler, 1912 The Sand lizardfish (Synodus dermatogenys) is a marine fish of the family Synodontidae. BiologyDorsal spines (total): 0; Dorsal soft rays (total): 11-13; Anal spines: 0; Anal soft rays: 8 - 10. Body brownish above, with 7 irregular blackish bars. Cheek usually not scaled to preopercular margin; membranous flap on anterior nostrils long and slender; pectoral fins not reaching a line connecting origins of dorsal and pelvic fins.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameSynodus dermatogenysFamilySynodontidae (Lizardfishes)OrderAulopiformes (Grinners)ClassActinopterygii (Ray-finned fishes)Maximum length24.0Depth range1–97 m (3–318 ft)EnvironmentMarine; reef-associated; depth range 1 - 97 mClimateTropicalDistributionIndo-Pacific: Red Sea to the Hawaiian, Line, Marquesan, and Tuamoto islands, north to Ryukyu Islands, south to Lord Howe; including Micronesia. Range extend to Southeast Atlantic, Algoa Bay, South Africa. Most authors misidentified this species as Synodus variegatus (Lacep?de).Conservation status (IUCN)Not EvaluatedThreat to humansHarmlessResilienceHigh, minimum population doubling time less than 15 months (Preliminary K or Fecundity.) SourcesTaxonomy, distribution and biology data: FishBase (Froese, R. and D. Pauly, eds.), licensed CC BY-NC 4.0.Last updated 27 September 2026