HomeFish encyclopediaRay-finned fishesGrinnersLizardfishesSauro lizardfish Sauro lizardfish (Synodus lacertinus) Scientific name: Synodus lacertinus Gilbert, 1890 The Sauro lizardfish (Synodus lacertinus) is a marine fish of the family Synodontidae. Native range: Eastern Pacific, Guayamas, Mexico to Chile. BiologySolitary. Perches motionless on pectoral fins in a wide range of habitats. Commonly occurs on sandy bottoms or sand patches around rocky reefs and boulder and gravel strewn slopes. Is active at night, may bury in sand with only eyes and mouth protruding during the day. Pounces on passing prey.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameSynodus lacertinusFamilySynodontidae (Lizardfishes)OrderAulopiformes (Grinners)ClassActinopterygii (Ray-finned fishes)Maximum length20.0Common length15.0Depth range1–27 m (3–89 ft)EnvironmentMarine; reef-associated; depth range 1 - 27 m, usually 1 - 27 mClimateTropicalDistributionEastern Pacific: Guayamas, Mexico to Chile.Conservation status (IUCN)Least Concern (LC)Threat 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