Pareas margaritophorus (Jan, 1866)
White-spotted Slug Snake 橫紋純頭蛇

Pareas margaritophorus
Squamata 有鱗目
Serpentes 蛇亞目
Family Colubridae 游蛇科
Genus Pareas鈍頭蛇屬
Species Pareas margaritophorus
Other name -
Chinese name -
Total length Up to 45 cm
Description Back light or dark grey, with black and white spots forming irregular crossbars along entire body length.
Ventrals white, with irregular black speckles.
Head rounded and distinct from neck.
Lips whitish, mottled with black. Mental groove absent.
Snout blunt. Tail short. Scales smooth.

Found mostly in shrubland or broad-leaf woodland, but also on the edge of suburban gardens and cultivated fields.
Occasionally found in hill and mountain grassland, often hiding under objects. Frequently trapped inside catchwaters.


Nocturnal. Docile, never attempt to bite. Very slow-moving.
Secretive, hide a lot in captivity.
When captured, rolls itself into a tight ball, with the head tucked inside the coils.
Remains still even when turned over.
Is preyed upon by the Coral Snake (Sinomicrurus macclellandi) and possibly other ophiophagous snakes.

Diet Feeds on several species of snails and slugs.
Enlarged teeth are specialized for taking snails from their shells.
In captivity feed readily on small land snails.
Reproduction Oviparous. Hatchling about 7-10 cm in total length.
Distribution Fairly common throughout Hong Kong including all major islands.
Occurs in extreme southern China and most of Southeast Asia.
Conservation Status IUCN Redlist: NE (Not Evaluated)
Pareas margaritophorus Pareas margaritophorus Pareas margaritophorus Pareas margaritophorus Pareas margaritophorus
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