CreatureData

Black-headed slug

Krynickillus melanocephalus Kaleniczenko, 1851

Status not recordedsnails and slugs

The black-headed slug (Krynickillus melanocephalus) is a species in the family Agriolimacidae.

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Quick facts about the black-headed 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 black-headed slug live?

Not recorded

Where has it been introduced?

The Global Register of Introduced and Invasive Species lists the black-headed slug as introduced in 3 countries, and flagged as invasive in 2 of them.

  1. Belarusinvasive
  2. Latviainvasive
  3. Germany

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 black-headed 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 black-headed slug classified?

  1. kingdomAnimalia
  2. phylumMollusca
  3. classGastropoda
  4. familyAgriolimacidae
  5. genusKrynickillus
  6. SpeciesKrynickillus melanocephalus Kaleniczenko, 1851

Synonyms Krynickillus melanocephalus

Other names and names in other languages (11)
  • SchwarzkopfschnegelGerman
  • MustpeanälkjasEstonian
  • mustapääetanaFinnish
  • Juodagalvis dirvašliužisLithuanian
  • Melngalvas mīkstgliemezisLatvian
  • Pomrowik czarnogłowyPolish
  • Черноголовый слизеньRussian
  • slizniak čiernohlavýSlovak
  • svarthuvad snigelSwedish
  • Польовий слимак чорноголовийUkrainian
  • Слизень полевой черноголовыйRussian

Catalogue of Life

Relatives of the black-headed slug

Other species in the same genus Krynickillus.

CompareBlack-headed slug vs Krynickillus hoplitesBlack-headed slug vs Krynickillus urbanskii

Common questions

Answered only where our data holds the answer.

Is the black-headed slug an invasive species?

In some places. The Global Register of Introduced and Invasive Species flags the black-headed slug as invasive in 2 countries: Belarus and Latvia. It lists it as introduced in 3 in all.

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). Black-headed slug (Krynickillus melanocephalus). Retrieved from https://creaturedata.com/animals/black-headed-slug

MLA

“Black-headed slug (Krynickillus melanocephalus).” CreatureData, 2026, https://creaturedata.com/animals/black-headed-slug.

BibTeX
@misc{black_headed_slug_2026,
  title = {Black-headed slug (Krynickillus melanocephalus)},
  author = {{CreatureData}},
  year = {2026},
  url = {https://creaturedata.com/animals/black-headed-slug},
  note = {Data as of 2026-11-14}
}