{{Short description|Species of gastropod}} {{Speciesbox | image = Palio-dubia-5609.jpg | image_caption = ''Palio dubia'', Gulen Municipality, Norway. | taxon = Palio dubia | authority = (M. Sars, 1829)<ref>Sars, Michael. (1829). Bidrag til Södyrenes Naturhistorie. Chr. Dahl, Bergen 1-60</ref> | synonyms = {{hidden begin|title = List}} * ''Doris illuminata'' <small>Gould, 1841</small> * ''Euplocamus hollboelli'' <small>Møller, 1842</small> * ''Palio lessonii'' <small>(d'Orbigny, 1837)</small> * ''Palio pallida'' <small>Bergh, 1880</small> * ''Polycera citrina'' <small>Alder & Hancock, 1841</small> * ''Polycera dubia'' <small>M. Sars, 1829</small> * ''Polycera lessoni'' <small>d'Orbigny, 1837</small> * ''Polycera lessonii'' <small>d'Orbigny, 1837</small> * ''Polycera modesta'' <small>Lovén, 1846</small> * ''Polycera pudica'' <small>Lovén, 1846</small> {{hidden end}} }}

'''''Palio dubia''''' is a species of sea slug, a nudibranch, a shell-less marine gastropod mollusc in the family Polyceridae.<ref>Bouchet, P.; Gofas, S. (2015). [http://www.marinespecies.org/aphia.php?p=taxdetails&id=182807 ''Palio dubia'' (M. Sars, 1829).] In: MolluscaBase (2015). Accessed through: World Register of Marine Species on 2015-12-13</ref>

== Distribution == This species was described from Norway. It has subsequently been reported from the United Kingdom north to Scandinavia, Russia and Greenland. It has also been reported from the Pacific coast of Canada.<ref>Rudman, W.B., 2000 (September 17) [https://www.seaslugforum.net/factsheet/palidubi ''Palio dubia'' (M. Sars, 1829).] <nowiki>[In]</nowiki> Sea Slug Forum. Australian Museum, Sydney.</ref>

==Ecology== In Scotland and Ireland ''Palio dubia'' feeds on the bryozoan ''Eucratea loricata''.<ref>Picton, B.E. & Morrow, C.C., 2010. [http://www.habitas.org.uk/marinelife/species.asp?item=W13710 ''Palio dubia'' (M. Sars, 1829).] <nowiki>[In]</nowiki> Encyclopedia of Marine Life of Britain and Ireland.</ref>

==References== {{Commons category}} {{Reflist}}

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Category:Polyceridae Category:Taxa named by Michael Sars Category:Gastropods described in 1829