HomeFreshwater aquarium fishOther freshwater fishSpotted sand-diver Spotted sand-diver (Trichonotus setiger) Scientific name: Trichonotus setiger Bloch & Schneider, 1801 The Spotted sand-diver (Trichonotus setiger) is a brackish-water fish of the family Trichonotidae. Native range: Western Pacific. BiologyDorsal soft rays: 39-41. Males recognized by long dorsal fin rays and large size. Under dorsal fin with 1 or 2 free pterygiophores.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameTrichonotus setigerFamilyTrichonotidae (Sanddivers)OrderPerciformes (Perch-like fish)ClassActinopterygii (Ray-finned fishes)Maximum length22.0EnvironmentMarine; brackish; reef-associatedClimateTropicalDistributionWestern Pacific.Conservation status (IUCN)Not EvaluatedThreat to humansHarmlessUsesAquarium: commercial More other freshwater fishFinescale tigerfishDatnioides microlepisFreshwater garfishXenentodon cancilaShort-tailed pipefishMicrophis brachyurus brachyurusPumpkinseedLepomis gibbosusLined soleAchirus lineatusSouth American lungfishLepidosiren paradoxaSee all other freshwater fish SourcesTaxonomy, distribution and biology data: FishBase (Froese, R. and D. Pauly, eds.), licensed CC BY-NC 4.0.Last updated 27 September 2026