Limax cinereoniger

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Limax cinereoniger
Schwarze Schnegel Limax cinereoniger.jpg
Scientific classification
Kingdom: Animalia
Phylum: Mollusca
Class: Gastropoda
(unranked): clade Heterobranchia
clade Euthyneura
clade Panpulmonata
clade Eupulmonata
clade Stylommatophora
informal group Sigmurethra
clade limacoid clade
Superfamily: Limacoidea
Family: Limacidae
Subfamily: Limacinae
Genus: Limax
Species: L. cinereoniger
Binomial name
Limax cinereoniger
Wolf, 1803

Limax alpinus Férussac, 1822

Limax cinereoniger is a large species of air-breathing land slug in the terrestrial pulmonate gastropod mollusk family Limacidae, the keelback slugs. This is the largest land slug species in the world.[2]


This slug is native to Europe. It is recorded in most of Europe, including Bulgaria, Czech Republic (where it is of least concern),[3] Italy, Netherlands,[4] Slovakia, Great Britain, Ireland, Finland, and Ukraine,[5] and only missing in Scandinavia and in the extreme South.

Reproductive system of Limax cinereoniger:
pr - penial retractor muscle;
pe - penis;
at - atrium;
bc - bursa copulatrix;
ov - oviduct.
White stripe under foot


With a maximum length exceeding 20 centimeters, this species is the largest land slug.[2]


This species lives in woodlands and occasionally parks.


Parasites of Limax cinereoniger include nematodes of genus Elaphostrongylus[6] and Agfa flexilis.[7]


  1. ^ Nitz, B., et al. (2009). Towards a new standard in slug species descriptions: the case of Limax sarnensis Heim & Nitz n. sp. (Pulmonata: Limacidae) from the Western Central Alps. Journal of Molluscan Studies 75(3): 279-294. doi:10.1093/mollus/eyp030.
  2. ^ a b Limacidae. The Living World of Molluscs.
  3. ^ Juřičková, L., et al. 2001. Check-list of the molluscs (Mollusca) of the Czech Republic. Acta Soc. Zool. Bohem. 65: 25-40.
  4. ^ Limax. Archived 2009-01-08 at the Wayback Machine. Stichting ANEMOON.
  5. ^ Balashov, I. & N. Gural-Sverlova. 2012. An annotated checklist of the terrestrial molluscs of Ukraine. Journal of Conchology. 41(1): 91-109.
  6. ^ Olsson I., et al. (1993). Gastropod hosts of Elaphostrongylus spp. (Protostrongylidae, Nematoda). Rangifer 13(1): 53-55.
  7. ^ Morand S. & Hommay G. (1990). "Redescription de Agfa flexilis (Nematoda: Agfidae) parasite de I’appareil genital de Limax cinereoniger (Gastropoda: Limacidae)". Systematic Parasitology 15(2): 127–132. doi:10.1007/bf00009990.

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