HomeFish encyclopediaRay-finned fishesHerringsHerrings, shads and sardinesDotted gizzard shad Dotted gizzard shad (Konosirus punctatus) Scientific name: Konosirus punctatus Temminck & Schlegel, 1846 The Dotted gizzard shad (Konosirus punctatus) is a brackish-water fish of the family Clupeidae. BiologyFound off coasts and in bays, but migrating into shallower brackish water for breeding, at least in Ariake Sound (south Kyushu), where spawning takes place far up the Sound in April and May. Individuals apparently spawn twice or more during the season.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameKonosirus punctatusFamilyClupeidae (Herrings, shads and sardines)OrderClupeiformes (Herrings)ClassActinopterygii (Ray-finned fishes)Maximum length32.0EnvironmentMarine; brackish; pelagic-neritic; oceanodromousClimateSubtropicalDistributionIndo-West Pacific: coasts of Japan from about 38?N southward; Sea of Japan north to Vladivostok on mainland; also Yellow Sea, including Gulf of Pohai and East China Sea south to Taiwan Island and Hong Kong).Conservation status (IUCN)Not EvaluatedThreat to humansHarmlessUsesFisheries: minor commercialResilienceHigh, minimum population doubling time less than 15 months (Assuming tm=1) SourcesTaxonomy, distribution and biology data: FishBase (Froese, R. and D. Pauly, eds.), licensed CC BY-NC 4.0.Last updated 27 September 2026