HomeFish encyclopediaRay-finned fishesGrinnersLizardfishesDiamond lizardfish Diamond lizardfish (Synodus synodus) Scientific name: Synodus synodus Linnaeus, 1758 The Diamond lizardfish (Synodus synodus) is a marine fish of the family Synodontidae. BiologyAnal soft rays: 8 - 10. 4 prominent reddish bands across back.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameSynodus synodusFamilySynodontidae (Lizardfishes)OrderAulopiformes (Grinners)ClassActinopterygii (Ray-finned fishes)Maximum length33.0Common length20.0Depth range144 m (472 ft)EnvironmentMarine; reef-associated; depth range ? - 144 m, usually 2 - 35 mClimateSubtropicalDistributionEastern Atlantic: Madeira, Canary Islands, and St. Helena Island; range extending to S?o Tom? Island. Western Atlantic: Florida, USA and southwestern Gulf of Mexico to Uruguay, including the Caribbean. Northwest Atlantic: Canada.Conservation status (IUCN)Not EvaluatedThreat to humansHarmlessUsesFisheries: commercialResilienceHigh, 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