CreatureData

Budapest slug

Tandonia budapestensis (Hazay, 1880)

Status not recordedsnails and slugs

The budapest slug (Tandonia budapestensis) is a species in the family Milacidae.

No freely licensed photo yet

Quick facts about the budapest slug

Weight
Not recorded
Length
Not recorded
Lifespan
Not recorded
Main food
Not recorded
Habitat
Not recorded
Young per litter or clutch
Not recorded
Conservation status
Not recorded
Countries on record
Not recorded

Where does the budapest slug live?

Not recorded

Where has it been introduced?

The Global Register of Introduced and Invasive Species lists the budapest slug as introduced in 9 countries.

  1. Austria
  2. Belgium
  3. Germany
  4. Ireland
  5. New Zealand
  6. Poland
  7. Switzerland
  8. United Kingdom
  9. United States

Introduced means brought by people and now present; invasive means the country's checklist records an impact. A species can be native to one part of a country and introduced in another. Source: Global Register of Introduced and Invasive Species (CC BY 4.0).

Is the budapest slug endangered?

No conservation assessment is recorded for this species in our sources. That is not the same as being safe: it has not been matched to an assessment.

How is the budapest slug classified?

  1. kingdomAnimalia
  2. phylumMollusca
  3. classGastropoda
  4. familyMilacidae
  5. genusTandonia
  6. SpeciesTandonia budapestensis (Hazay, 1880)

Synonyms Amalia budapestensis, Amalia cibiniensis, Limax gracilis, Milax budapestensis, Milax gracilis, Milax gracilis valachicus, Milax valachicus

Other names and names in other languages (12)
  • Budapest keeled slugEnglish
  • plžice štíhláCzech
  • Boden-KielschnegelGerman
  • Pseudolimace hongroiseFrench
  • Grebenka dubinkaCroatian
  • budapesti csupaszcsigaHungarian
  • Slanke kielnaaktslakDutch
  • pomrowiec budapeszteńskiPolish
  • Слизень килевой венгерскийRussian
  • slizoš tmavýSlovak
  • slanksydsnigelSwedish
  • Boden-KielnacktschneckeGerman

Catalogue of Life

Relatives of the budapest slug

Other species in the same genus Tandonia.

Tree slug

Tandonia rustica

MilacidaeNo free photo yet

Keeled slug

Tandonia sowerbyi

MilacidaeNo free photo yet

CompareBudapest slug vs Tree slugBudapest slug vs Keeled slugBudapest slug vs Tandonia albanicaBudapest slug vs Tandonia bolensis

Common questions

Answered only where our data holds the answer.

Is the budapest slug an invasive species?

The Global Register of Introduced and Invasive Species lists the budapest slug as introduced in 9 countries, including Austria, Belgium, Germany, Ireland and New Zealand, but does not flag it as invasive in any of them.

Sources and how to cite this page

Data as of 2026-11-14. How this page is put together.

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APA

CreatureData. (2026). Budapest slug (Tandonia budapestensis). Retrieved from https://creaturedata.com/animals/budapest-slug

MLA

“Budapest slug (Tandonia budapestensis).” CreatureData, 2026, https://creaturedata.com/animals/budapest-slug.

BibTeX
@misc{budapest_slug_2026,
  title = {Budapest slug (Tandonia budapestensis)},
  author = {{CreatureData}},
  year = {2026},
  url = {https://creaturedata.com/animals/budapest-slug},
  note = {Data as of 2026-11-14}
}