HomeFish encyclopediaRay-finned fishesPerch-like fishGrunters or tigerperchesJamur Lake grunter Jamur Lake grunter (Variichthys jamoerensis) Scientific name: Variichthys jamoerensis Mees, 1971 The Jamur Lake grunter (Variichthys jamoerensis) is a freshwater fish of the family Terapontidae. BiologyDorsal spines (total): 12 - 14; Dorsal soft rays (total): 10-11; Anal spines: 3; Anal soft rays: 8 - 9Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameVariichthys jamoerensisFamilyTerapontidae (Grunters or tigerperches)OrderPerciformes (Perch-like fish)ClassActinopterygii (Ray-finned fishes)Maximum length8.5EnvironmentFreshwater; benthopelagic; non-migratoryClimateTropicalDistributionAsia: known only from Lake Jamur in the center of the narrow isthmus that separates the Bomberai and Vogelkop peninsulas (Irian Jaya, Indonesia) from the remainder of New Guinea.Conservation status (IUCN)Vulnerable (VU) (A2d)Threat to humansHarmlessUsesFisheries: of no interestResilienceHigh, 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