CR — Critically Endangered

Bythinella markovi

Conservation status data sourced from the IUCN Red List of Threatened Species.

↓Decreasing

Population trend

1

Countries

01 — Classification

Taxonomy & Classification

Kingdom

ANIMALIA

Phylum

MOLLUSCA

Class

GASTROPODA

Order

LITTORINIMORPHA

Family

BYTHINELLIDAE

Genus

Bythinella

Bythinella markovi belongs to the family BYTHINELLIDAE, order LITTORINIMORPHA, within the GASTROPODA class.

03 — Habitat

Habitat & Distribution

Caves and subterranean habitatsMajorRocky areasMajorWetlands (inland) - Permanent rivers/streamsMajor
04 — Threats

Threats

!

IUCN Red List: Critically Endangered

Assessed as Critically Endangered by the IUCN Red List of Threatened Species.

Annual & perennial non-timber crops

Ongoing

Industrial & military effluents

Ongoing

Type Unknown/Unrecorded (pollution)

Ongoing
05 — Conservation

Conservation Actions

Species recovery
06 — Range

Found in 1 Country

Bulgaria
07 — National Status

National vs Global Threat Status

How this species is assessed at the national level compared to its IUCN global status (CR).

CountryNational StatusGlobal StatusComparison
EUCRCritically EndangeredCRCritically EndangeredSame
EUCRCritically EndangeredCRCritically EndangeredSame

National Red List data sourced from the National Red List Project (nationalredlist.org, ZSL) and country-specific Red List authorities.

Community

Community Sightings

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07 — Sources

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). Bythinella markovi (Bythinella markovi). SpeciesRadar: Intelligence for Earth's Biodiversity. Available at: https://speciesradar.org/species/bythinella-markovi-4561015

Full citation guide & data usage terms