HomeFish encyclopediaRay-finned fishesPerch-like fishSleepersSmall-eyed loter Small-eyed loter (Prionobutis microps) Scientific name: Prionobutis microps Weber, 1907 The Small-eyed loter (Prionobutis microps) is a freshwater fish of the family Eleotridae. Native range: Oceania, Papua New Guinea. BiologyOccurs in brackish mangrove estuaries, tidal creeks and lowermost reaches of freshwater streams.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific namePrionobutis micropsFamilyEleotridae (Sleepers)OrderPerciformes (Perch-like fish)ClassActinopterygii (Ray-finned fishes)Maximum length23.0Common length12.0EnvironmentFreshwater; brackish; demersalClimateTropicalDistributionOceania: Papua New Guinea.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