HomeFish encyclopediaRay-finned fishesPerch-like fishSweepersYpsilon bullseye Ypsilon bullseye (Pempheris ypsilychnus) Scientific name: Pempheris ypsilychnus Mooi & Jubb, 1996 The Ypsilon bullseye (Pempheris ypsilychnus) is a marine fish of the family Pempheridae. Species factsScientific namePempheris ypsilychnusFamilyPempheridae (Sweepers)OrderPerciformes (Perch-like fish)ClassActinopterygii (Ray-finned fishes)Maximum length12.1Depth range1–24 m (3–79 ft)EnvironmentMarine; demersal; depth range 1 - 24 mClimateTropicalDistributionIndo-West Pacific: northern Australia. The southernmost record on the east coast, Moreton Bay near Brisbane, which was reported as Pempheris klunzingeri was a misidentification.Conservation status (IUCN)Not EvaluatedThreat to humansHarmlessResilienceHigh, 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