COSEWIC Status Reports

COSEWIC assessment and status report on the Blue-grey Taildropper slug Prophysaon coeruleum in Canada

The Blue-grey Taildropper is one of nine described species of taildropper slugs (genus Prophysaon) endemic to western North America. It is a small- to medium-sized slug (up to 45 mm long when extended) with a slender body. Distinguishing external features include blue-grey colour and parallel grooves and ridges on the back and sides of the tail. Internally, the slugs are distinguished from related species by features of reproductive anatomy.


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Contact Person(s)

COSEWIC Secretariat
c/o Canadian Wildlife Service
Environment Canada
Ottawa, ON
K1A 0H3
Tel: 819-938-4125
Fax: 819-938-3984
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Related Species


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