Schneider
Alburnoides bipunctatus
Alburnoides bipunctatus, the schneider, spirlin, bleak, riffle minnow or bystranka, is a species of brackish and fresh water ray-finned fish belonging to the family Leuciscidae, which includes the daces, the minnows and related fishes. This is a widespread species in Europe.
35
Countries
Photo: Wikimedia Commons (CC) via https://en.wikipedia.org/wiki/Alburnoides_bipunctatus
Taxonomy & Classification
Kingdom
Animalia
Phylum
Chordata
Order
Cypriniformes
Family
Cyprinidae
Genus
Alburnoides
Schneider belongs to the family Cyprinidae, order Cypriniformes, within the unknown class.
Species Profile
Alburnoides bipunctatus, the schneider, spirlin, bleak, riffle minnow or bystranka, is a species of brackish and fresh water ray-finned fish belonging to the family Leuciscidae, which includes the daces, the minnows and related fishes. This is a widespread species in Europe.
Schneider (Alburnoides bipunctatus) faces severe threats from habitat degradation and water pollution across its freshwater range. Dam construction, river channelization, and agricultural runoff have significantly impacted water quality and flow regimes in the streams and rivers this species depends on for survival and reproduction.
Key Facts
Habitat & Distribution
Clear, fast-flowing streams and rivers with rocky or gravelly substrates, typically in mountainous and hilly regions. The species prefers well-oxygenated waters with moderate to strong currents and clean, unpolluted conditions.
Threats
IUCN Red List: Critically Endangered
Schneider (Alburnoides bipunctatus) faces severe threats from habitat degradation and water pollution across its freshwater range. Dam construction, river channelization, and agricultural runoff have significantly impacted water quality and flow regimes in the streams and rivers this species depends on for survival and reproduction.
Dam construction and river modification
Habitat fragmentation
Water pollution from agricultural runoff
Climate change affecting water temperature and flow
Invasive species competition
Found in 35 Countries
National vs Global Threat Status
How this species is assessed at the national level compared to its IUCN global status (CR).
| Country | National Status | Global Status | Comparison |
|---|---|---|---|
| EU | LCLeast Concern | CRCritically Endangered | Lower local risk |
| EU | LCLeast Concern | CRCritically Endangered | Lower local risk |
National Red List data sourced from the National Red List Project (nationalredlist.org, ZSL) and country-specific Red List authorities.
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
National Red Lists: ZSL (2025). National Red List. Zoological Society of London. Available at: https://www.nationalredlist.org
This page: SpeciesRadar (2025). Schneider (Alburnoides bipunctatus). SpeciesRadar: Intelligence for Earth's Biodiversity. Available at: https://speciesradar.org/species/schneider