HomeFish encyclopediaRay-finned fishesHerringsHerrings, shads and sardinesDelicate round herring Delicate round herring (Spratelloides delicatulus) Scientific name: Spratelloides delicatulus Bennett, 1832 The Delicate round herring (Spratelloides delicatulus) is a marine fish of the family Clupeidae. BiologyUsually an inshore schooling species, inhabiting relatively clear coastal waters, lagoons, and along reef margins. Feeds near surface on plankton. Found in large schools. Pelagic. Marketed fresh or dried-salted and used as tuna baitfish.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameSpratelloides delicatulusFamilyClupeidae (Herrings, shads and sardines)OrderClupeiformes (Herrings)ClassActinopterygii (Ray-finned fishes)Maximum length7.0Depth range0–50 m (0–164 ft)EnvironmentMarine; reef-associated; depth range 0 - 50 mClimateTropicalDistributionIndo-Pacific: Red Sea and East Africa to the Society Islands (but not the Tuamoto and Marquesan islands), north to southern Japan, south to northern Australia. Single specimen from eastern Mediterranean (Tel-Aviv, Israel).Conservation status (IUCN)Not EvaluatedThreat to humansHarmlessUsesFisheries: minor commercial; bait: usuallyResilienceHigh, minimum population doubling time less than 15 months (K=2.7-12.2) SourcesTaxonomy, distribution and biology data: FishBase (Froese, R. and D. Pauly, eds.), licensed CC BY-NC 4.0.Last updated 27 September 2026