HomeFish encyclopediaRay-finned fishesSilversidesNeotropical silversidesLandia silverside Landia silverside (Membras gilberti) Scientific name: Membras gilberti Jordan & Bollman, 1890 The Landia silverside (Membras gilberti) is a marine fish of the family Atherinopsidae. Native range: Eastern Central Pacific, El Salvador to Colombia. BiologyBody thin and elongated; mouth terminal, with conspicuously protrusible jaws; teeth set in bands; two well separated dorsal fins, the first located head of the origin of the anal fin; pectoral fins located high on the body; lateral line lacking; back olive green; flanks and belly silvery, with a narrow, median, silvery, lateral stripe.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameMembras gilbertiFamilyAtherinopsidae (Neotropical silversides)OrderAtheriniformes (Silversides)ClassActinopterygii (Ray-finned fishes)Maximum length20.0Common length18.0EnvironmentMarine; pelagic-neriticClimateTropicalDistributionEastern Central Pacific: El Salvador to Colombia.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