HomeFreshwater aquarium fishGuppies & livebearersLampeye panchax Lampeye panchax (Micropanchax macrophthalmus) Scientific name: Micropanchax macrophthalmus Meinken, 1932 The Lampeye panchax (Micropanchax macrophthalmus) is a freshwater fish of the family Poeciliidae that grows to about 4 cm (1.6 in). It is difficult to keep and aggressive, is best kept in a species tank and needs a tank of at least 20 L (5 US gal), water at 22–26°C (72–79°F) and a pH of 6.0–8.0. Native range: Africa, Southern Benin, southern Nigeria and southwestern Cameroon. Lampeye panchax care at a glanceCare levelDifficultTemperamentAggressiveCommunity tankNot suitableAdult size4 cm (1.6 in)Minimum tank20 L (5 US gal)Temperature22–26°C (72–79°F)pH6.0–8.0Hardness5–12 dGH (89–214 ppm)DietOmnivore. Accepts flakes, frozen foods and live foods. BiologyOccurs in small rivers and brooks in the swampy rainforests of the coastal plains. Feeds on worms, crustaceans and insects. Not a seasonal killifish. Is very difficult to maintain in aquarium.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameMicropanchax macrophthalmusFamilyPoeciliidae (Poeciliids)OrderCyprinodontiformes (Live bearers, Killifishes and Rivulines)ClassActinopterygii (Ray-finned fishes)Maximum length4.0EnvironmentFreshwater;; pH range: 6.0 - 8.0; dH range: 5 - 12 benthopelagic; non-migratoryClimateTropicalDistributionAfrica: southern Benin, southern Nigeria and southwestern Cameroon. Togo.Conservation status (IUCN)Not EvaluatedThreat to humansHarmlessUsesAquarium: commercialResilienceHigh, minimum population doubling time less than 15 months (Preliminary K or Fecundity.) More guppies & livebearersPoecilia wingeiBold characodonCharacodon audaxBluetail goodeaAtaeniobius toweriButterfly splitfinAmeca splendensMollyPoecilia sphenopsSouthern platyfishXiphophorus maculatusSee all guppies & livebearers Can it live with...?Lampeye panchax and Blackbarred limiaLampeye panchax and Bluetail goodeaLampeye panchax and Bold characodonLampeye panchax and Butterfly splitfinLampeye panchax and MollyLampeye panchax and MosquitofishLampeye panchax and Redtail splitfin SourcesTaxonomy, distribution and biology data: FishBase (Froese, R. and D. Pauly, eds.), licensed CC BY-NC 4.0. Aquarium care parameters compiled, checked and converted to metric and imperial units by Guppies.za.net.Last updated 28 September 2026