HomeFish encyclopediaLampreysLampreysLampreysPo brook lamprey Po brook lamprey (Lampetra zanandreai) Scientific name: Lampetra zanandreai Vladykov, 1955 The Po brook lamprey (Lampetra zanandreai) is a freshwater fish of the family Petromyzontidae. In the aquarium it needs water at 5–20°C (41–68°F). Native range: Europe, Alpine slope of Po to Soca drainages, Esino and Potenza drainages on Adriatic coast of Central Italy; Mirna and Neretva drainage. Po brook lamprey care at a glanceTemperature5–20°C (41–68°F) BiologyA short-lived, non-parasitic freshwater brook lamprey which occurs in clean, cold water usually near springs in the foot-hill zone, over muddy or sandy bottom. Ammocoetes inhabits detritus-rich sands or clay sediments. They are filter bottom-feeders. Metamorphosis takes place after 4.5 years. Reproduction takes place from January to June. Its existence is threatened by habitat destruction and water abstraction.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameLampetra zanandreaiFamilyPetromyzontidae (Lampreys)OrderPetromyzontiformes (Lampreys)ClassCephalaspidomorphi (Lampreys)Maximum length26.0EnvironmentFreshwater; demersal; non-migratoryClimateTemperateDistributionEurope: Alpine slope of Po to Soca drainages, Esino and Potenza drainages on Adriatic coast of Central Italy; Mirna and Neretva drainage.Conservation status (IUCN)Least Concern (LC)Threat to humansHarmlessUsesFisheries: of no interest; bait: occasionallyResilienceLow, minimum population doubling time 4.5 - 14 years (tm=5; tmax=5.5; Fec=2,000) SourcesTaxonomy, distribution and biology data: FishBase (Froese, R. and D. Pauly, eds.), licensed CC BY-NC 4.0.Last updated 27 September 2026