HomeFish encyclopediaRay-finned fishesMulletsMulletsLongarm mullet Longarm mullet (Valamugil cunnesius) Scientific name: Valamugil cunnesius Valenciennes, 1836 The Longarm mullet (Valamugil cunnesius) is a freshwater fish of the family Mugilidae. Native range: Indo-West Pacific, south to South Africa. BiologyOccur in shallow coastal waters, including estuaries and backwaters, frequently enters freshwater. Form larger aggregations during spawning which takes place at sea. Young individuals enter tidal rivers. Feed on organic matter contained in sand and mud. Oviparous, eggs are pelagic and non-adhesive. Marketed fresh and salted. Decays rapidly, but well liked when fresh.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameValamugil cunnesiusFamilyMugilidae (Mullets)OrderMugiliformes (Mullets)ClassActinopterygii (Ray-finned fishes)Maximum length41.0Common length25.0EnvironmentMarine; freshwater; brackish; demersal; catadromousClimateTropicalDistributionIndo-West Pacific: south to South Africa.Conservation status (IUCN)Not EvaluatedThreat to humansHarmlessUsesFisheries: commercial; bait: usuallyResilienceMedium, minimum population doubling time 1.4 - 4.4 years (K=0.3) SourcesTaxonomy, distribution and biology data: FishBase (Froese, R. and D. Pauly, eds.), licensed CC BY-NC 4.0.Last updated 27 September 2026