HomeFish encyclopediaRay-finned fishesHerringsHerrings, shads and sardinesTransparent sandy sprat Transparent sandy sprat (Hyperlophus translucidus) Scientific name: Hyperlophus translucidus McCulloch, 1917 The Transparent sandy sprat (Hyperlophus translucidus) is a brackish-water fish of the family Clupeidae. Native range: Southwest Pacific, endemic to eastern Australia. BiologyDorsal spines (total): 0; Dorsal soft rays (total): 15-16; Anal spines: 0; Anal soft rays: 19 - 22; Vertebrae: 40 - 42. Body fairly elongate, belly keeled, with 17 + 9 scutes; about 19 dorsal scutes with low keels from head to dorsal fin origin. Second supra-maxilla paddle-shaped, lower portion larger. Branchiostegal rays 4. Anal fin origin under or slightly behind base of last dorsal fin ray (well behind in H. vittatus). Scales deciduous; body translucent, with silver band along flank.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameHyperlophus translucidusFamilyClupeidae (Herrings, shads and sardines)OrderClupeiformes (Herrings)ClassActinopterygii (Ray-finned fishes)Maximum length6.0EnvironmentMarine; brackish; pelagic-neriticClimateTemperateDistributionSouthwest Pacific: endemic to eastern Australia.Conservation status (IUCN)Not EvaluatedThreat to humansHarmlessUsesFisheries: of no interestResilienceHigh, 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