CLASSIFICATION OF LIMAX (GREY SLUG)​

KINGDOM :- ANIMALIA (Multicellular eukaryotic organisms)

PHYLUM :- MOLLUSCA (Unsegmented bilaterally symmetrical and provided with visceral mass, foot and mantle.)

CLASS :- GASTROPODA (Head bearing tentacles, eyes and radula; visceral hump and shell coiled due to torsion.)

SUB-CLASS :- EUTHYNEURA (Nerve loop not twisted in figure of 8.)

ORDER :- PULMONATA (Air-breathing forms.)

SUB-ORDER :- STYLOMMATOPHORA (Eyes at the tips of posterior tentacles.)

FAMILY :- LIMACIDAE (Known by their common name the keelback slugs)

GENUS :- Limax (Grey slug)

GEOGRAPHICAL DISTRIBUTION

  • It has cosmopolitan distribution but specially found in India, Europe and U.S.A. (California).

HABIT AND HABITAT

  • Limax is abundantly found in cultivated lands, gar grandens and moist woody regions. It is nocturnal and herbivorous.

LIMAX (GREY SLUG)​

GENERAL CHARACTERSTICS OF LIMAX (GREY SLUG)​

  • Commonly known as grey slug.
  • Body is elongated and differentiated into head, foot and visceral hump. 
  • Colour may be yellowish or brownish or greyish. 
  • Head contains mouth, a pair of lateral lips, a pair of retractile anterior tactile tentacles, a pair of long posterior retractile tentacles, each having a black eye at its tip and a genital pore.
  • Eyes are placed at the tips of the posterior of the two pairs of tentacles. The tentacles cannot be invaginated within the head.
  • Foot is blunt anteriorly and pointed posteriorly and is provided with grooves. It is divided into lateral and median strips. 
  • Visceral hump is elongated and flattened and pointed posteriorly. 
  • Mantle does not extend back behind the middle of the body. 
  • External shell and ctenidium are absent. A rudimentary shell in the form of a thin calcareous plate hidden in the mantle. 
  • Hermaphroditic.
LIMAX (GREY SLUG)​

IDENTIFICATION

  • The animal contains anteriorly blunt and posteriorly pointed foot and all above features, hence it is Limax

LIMAX (GREY SLUG)​
LIMAX (GREY SLUG)​
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