HomeFish encyclopediaRay-finned fishesMulletsMulletsEastern keelback mullet Eastern keelback mullet (Liza affinis) Scientific name: Liza affinis G?nther, 1861 The Eastern keelback mullet (Liza affinis) is a brackish-water fish of the family Mugilidae. BiologyInhabit inlet waters and estuaries of rivers. Oviparous, eggs are pelagic and non-adhesive. Used as food fish in Japan.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameLiza affinisFamilyMugilidae (Mullets)OrderMugiliformes (Mullets)ClassActinopterygii (Ray-finned fishes)Maximum length30.0EnvironmentMarine; brackish; pelagic-neriticClimateSubtropicalDistributionNorthwest Pacific: Japan (except northern Hokkaido) through the Ryukyu Islands and Taiwan, and coasts from Shanghai to Peihar and Hainan Island. Might occur as a rare visitor to the northern extreme of the Western Central Pacific.Conservation status (IUCN)Not EvaluatedThreat to humansHarmlessResilienceMedium, minimum population doubling time 1.4 - 4.4 years (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