HomeFish encyclopediaRay-finned fishesSilversidesNeotropical silversidesTidewater silverside Tidewater silverside (Menidia peninsulae) Scientific name: Menidia peninsulae Goode & Bean, 1879 The Tidewater silverside (Menidia peninsulae) is a brackish-water fish of the family Atherinopsidae. Species factsScientific nameMenidia peninsulaeFamilyAtherinopsidae (Neotropical silversides)OrderAtheriniformes (Silversides)ClassActinopterygii (Ray-finned fishes)Maximum length15.0EnvironmentMarine; brackish; pelagic-neriticClimateTropicalDistributionWestern Atlantic: northeastern Florida and northern Gulf of Mexico (except Louisiana and northeastern Texas) to southern Florida in USA and northern Veracruz in Mexico.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