Portugese nase
Iberochondrostoma lusitanicum
Conservation status data sourced from the IUCN Red List of Threatened Species.
1
Countries
Photo: Wikimedia Commons (CC) via https://en.wikipedia.org/wiki/Iberochondrostoma_lusitanicum
Taxonomy & Classification
Kingdom
Animalia
Phylum
Chordata
Order
Cypriniformes
Family
Cyprinidae
Genus
Iberochondrostoma
Portugese nase belongs to the family Cyprinidae, order Cypriniformes, within the unknown class.
Species Profile
Species profile data sourced from the IUCN Red List of Threatened Species.
The Portuguese nase faces severe threats from habitat degradation and fragmentation of its freshwater river systems. Dam construction, water extraction, and pollution have significantly reduced suitable habitat and isolated populations, while invasive species compete for resources and alter ecosystem dynamics.
Key Facts
Habitat & Distribution
Endemic to freshwater river systems in Portugal, particularly the Tagus and Sado river basins. Inhabits clear, flowing waters with rocky or gravel substrates in both main river channels and tributaries.
Threats
IUCN Red List: Critically Endangered
The Portuguese nase faces severe threats from habitat degradation and fragmentation of its freshwater river systems. Dam construction, water extraction, and pollution have significantly reduced suitable habitat and isolated populations, while invasive species compete for resources and alter ecosystem dynamics.
Dam construction and river regulation
Habitat fragmentation and population isolation
Water extraction and flow modification
Water pollution from agricultural and urban runoff
Competition from invasive fish species
Found in 1 Country
Community Sightings
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Sources & Attribution
How to Cite
IUCN: IUCN (2025). The IUCN Red List of Threatened Species. Version 2025-1. Available at: https://www.iucnredlist.org. doi:10.2305/IUCN.UK.2025-1.RLTS
GBIF: GBIF.org (2025). GBIF Home Page. Available at: https://www.gbif.org
This page: SpeciesRadar (2025). Portugese nase (Iberochondrostoma lusitanicum). SpeciesRadar: Intelligence for Earth's Biodiversity. Available at: https://speciesradar.org/species/portugese-nase