HomeFish encyclopediaRay-finned fishesHerringsHerrings, shads and sardinesThai gizzard shad Thai gizzard shad (Anodontostoma thailandiae) Scientific name: Anodontostoma thailandiae Wongratana, 1983 The Thai gizzard shad (Anodontostoma thailandiae) is a brackish-water fish of the family Clupeidae. BiologyDorsal spines (total): 0; Anal spines: 0; Anal soft rays: 17 - 25. Body depth increasing with size. Second supra-maxilla paddle-shaped. Lower gill rakers 46 to 140; longest gill rakers on lower part of arch equal to or longer than corresponding gill filaments. Last dorsal fin ray not filamentous. Hind edges of scales toothed, the teeth wider than gaps between them; a median series pre-dorsal scales. A large dark mark behind gill opening.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameAnodontostoma thailandiaeFamilyClupeidae (Herrings, shads and sardines)OrderClupeiformes (Herrings)ClassActinopterygii (Ray-finned fishes)Maximum length18.0Common length12.0Depth range0–50 m (0–164 ft)EnvironmentMarine; brackish; pelagic-neritic; anadromous; depth range 0 - 50 mClimateTropicalDistributionIndo-Pacific: Indian Ocean (northern part of Bay of Bengal, Andaman Sea at Phuket in Thailand), Gulf of Thailand, South China Sea. Also found in Indonesia. In earlier works, Anodontostoma chacunda was often misapplied to Anodontostoma thailandiae.Conservation status (IUCN)Least Concern (LC)Threat to humansHarmlessUsesFisheries: subsistence fisheriesResilienceHigh, 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