HomeFish encyclopediaRay-finned fishesHerringsHerrings, shads and sardinesSpotted sardinella Spotted sardinella (Amblygaster sirm) Scientific name: Amblygaster sirm Walbaum, 1792 The Spotted sardinella (Amblygaster sirm) is a marine fish of the family Clupeidae. BiologyPelagic. A schooling species occurring in coastal waters and lagoons. In Panggang Island, Indonesia it was recorded in temperatures of 28.5-29.8?C and salinities of 31.6-32.3 ppt. Feeds mainly on copepods, nauplii and zoea larvae, larval bivalves and gastropods, as well as Peridinium and Ceratium. Used as bait in the tuna fishery.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameAmblygaster sirmFamilyClupeidae (Herrings, shads and sardines)OrderClupeiformes (Herrings)ClassActinopterygii (Ray-finned fishes)Maximum length27.0Common length20.0Depth range10–75 m (33–246 ft)EnvironmentMarine; reef-associated; depth range 10 - 75 mClimateTropicalDistributionIndo-West Pacific: Red Sea and Mozambique to the Philippines, north to Taiwan and Okinawa (Japan), south to New Guinea, the Arafura Sea, northern Australia, and Fiji.Conservation status (IUCN)Not EvaluatedThreat to humansHarmlessUsesFisheries: commercial; bait: usuallyResilienceHigh, minimum population doubling time less than 15 months (K=0.37-3.74; tm=1; tmax=8; Fec > 10,000) SourcesTaxonomy, distribution and biology data: FishBase (Froese, R. and D. Pauly, eds.), licensed CC BY-NC 4.0.Last updated 27 September 2026