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The Haida Gwaii Slug (Staala gwaii) was discovered in 2003 in Haida Gwaii
(Queen Charlotte Islands) and has subsequently been found also on Brooks Peninsula,
Vancouver Island, British Columbia. Both areas harbour unique ecosystems and contain
many rare species and subspecies as a result of the glacial history of the islands. The
Haida Gwaii Slug is the only known terrestrial gastropod in western North America that
is a relic of pre-glaciation times and has not expanded its range outside restricted areas.
This small slug with adult size of only 1 – 2 cm has a distinctive appearance. The
mantle is raised into a pronounced hump, and the entire body, including the tail, neck
and mantle, is covered with small, often black-tipped projections or papillae. The colour ranges from jet black to grey or tan; darker mottling is often present on the mantle.<ref></ref>
(Queen Charlotte Islands) and has subsequently been found also on Brooks Peninsula,
Vancouver Island, British Columbia. Both areas harbour unique ecosystems and contain
many rare species and subspecies as a result of the glacial history of the islands. The
Haida Gwaii Slug is the only known terrestrial gastropod in western North America that
is a relic of pre-glaciation times and has not expanded its range outside restricted areas.
This small slug with adult size of only 1 – 2 cm has a distinctive appearance. The
mantle is raised into a pronounced hump, and the entire body, including the tail, neck
and mantle, is covered with small, often black-tipped projections or papillae. The colour ranges from jet black to grey or tan; darker mottling is often present on the mantle.<ref></ref>
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