HomeFish encyclopediaRay-finned fishesMulletsMulletsGrooved mullet Grooved mullet (Liza dumerili) Scientific name: Liza dumerili Steindachner, 1870 The Grooved mullet (Liza dumerili) is a freshwater fish of the family Mugilidae. In the aquarium it needs water at 20–25°C (68–77°F). Native range: Eastern Atlantic, Mauritania to South Africa. Western Indian Ocean: Delagoa Bay, Mozambique to Mossel Bay, South Africa. Grooved mullet care at a glanceTemperature20–25°C (68–77°F) BiologyInhabit shallow coastal waters, including estuaries and tidal rivers. Feed on plankton and detritus. Oviparous, eggs are pelagic and non-adhesive.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameLiza dumeriliFamilyMugilidae (Mullets)OrderMugiliformes (Mullets)ClassActinopterygii (Ray-finned fishes)Maximum length40.0Common length18.0EnvironmentMarine; freshwater; brackish; demersal; catadromousClimateTropicalDistributionEastern Atlantic: Mauritania to South Africa. Western Indian Ocean: Delagoa Bay, Mozambique to Mossel Bay, South Africa.Conservation status (IUCN)Not EvaluatedThreat to humansHarmlessUsesFisheries: commercialResilienceMedium, 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