CreatureData

Blue slug

Bielzia coerulans (M. Bielz, 1851)

Status not recordedsnails and slugs

The blue slug (Bielzia coerulans) is a species in the family Limacidae.

No freely licensed photo yet

Quick facts about the blue 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 blue slug live?

Not recorded

Where has it been introduced?

The Global Register of Introduced and Invasive Species lists the blue slug as introduced in 1 country.

  1. Ukraine

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 blue 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 blue slug classified?

  1. kingdomAnimalia
  2. phylumMollusca
  3. classGastropoda
  4. familyLimacidae
  5. genusBielzia
  6. SpeciesBielzia coerulans (M. Bielz, 1851)

Synonyms Frauenfeldia schwabii, Heynemannia coeruleans, Heynemannia coeruleans var. incompta, Limax coerulans, Limax schwabi

Other names and names in other languages (11)
  • Carpathian blue slugEnglish
  • modranka karpatskáCzech
  • BlauschnegelGerman
  • Babosa azul de los CárpatosSpanish
  • kék meztelencsigaHungarian
  • Blauwe NaaktslakDutch
  • Pomrów błękitnyPolish
  • Синий слизеньRussian
  • slizniak karpatskýSlovak
  • Синюк карпатськийUkrainian
  • Синюк карпатскийRussian

Catalogue of Life

Relatives of the blue slug

Other species in the same family Limacidae.

Beer slug

Limacus flavus

LimacidaeNo free photo yet

Tree slug

Lehmannia marginata

LimacidaeNo free photo yet

Lemon slug

Malacolimax tenellus

LimacidaeNo free photo yet

Green slug

Limacus maculatus

LimacidaeNo free photo yet

CompareBlue slug vs Leopard slugBlue slug vs Ash-grey slugBlue slug vs Beer slugBlue slug vs Tree slug

Common questions

Answered only where our data holds the answer.

Is the blue slug an invasive species?

The Global Register of Introduced and Invasive Species lists the blue slug as introduced in 1 country: Ukraine, 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). Blue slug (Bielzia coerulans). Retrieved from https://creaturedata.com/animals/blue-slug

MLA

“Blue slug (Bielzia coerulans).” CreatureData, 2026, https://creaturedata.com/animals/blue-slug.

BibTeX
@misc{blue_slug_2026,
  title = {Blue slug (Bielzia coerulans)},
  author = {{CreatureData}},
  year = {2026},
  url = {https://creaturedata.com/animals/blue-slug},
  note = {Data as of 2026-11-14}
}