HomeFish encyclopediaRay-finned fishesPerch-like fishMojarrasScaly snouted silver-biddy Scaly snouted silver-biddy (Gerres baconensis) Scientific name: Gerres baconensis Evermann & Seale, 1907 The Scaly snouted silver-biddy (Gerres baconensis) is a marine fish of the family Gerreidae. Native range: Western Pacific, Japan and Philippines. BiologyDorsal spines (total): 9; Dorsal soft rays (total): 10; Anal spines: 3; Anal soft rays: 7. U-shaped premaxilla groove fully scaled in specimens over 16 cm SL, producing a broadly rounded margin of the scaled area level with the anterior nostrils (partially scaled in 10 cm SL specimens). Posterior margin of maxilla beyond a vertical through anterior margin of inner dermal eye opening. Scales between 5th dorsal fin spine base 3.5 or 4. Body silvery, bands on body lacking or 6-8 irregular, very faint or dusky, oblique and vertical bands dorsolaterally and ventrolaterally (usually more apparent in young stressed or preserved specimens. Pelvic fin semi-transparent with a faint dusky band and indistinct white distal margin posteriorly or colorless when fresh. Spinous dorsal fin with an indistinct dusky patch (2nd-6th spines) and very narrow dusky distal margins on upper membranes between spines. Supraneural bones 3.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameGerres baconensisFamilyGerreidae (Mojarras)OrderPerciformes (Perch-like fish)ClassActinopterygii (Ray-finned fishes)Maximum length17.8EnvironmentMarine; demersalClimateTropicalDistributionWestern Pacific: Japan and Philippines.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