The Gyrinidae (Coleoptera) of the Maritime Provinces of Canada: new records, distribution, and faunal composition Author Majka, Christopher Nova Scotia Museum, Halifax, NS, Canada Author Kenner, Rex University of British Columbia, Vancouver ,, Canada text ZooKeys 2009 2009-09-28 22 22 355 372 journal article 10.3897/zookeys.22.216 92568fbc-5aca-4da9-8cc1-1b79de424966 1313–2970 576544 Gyrinus affinis Aubé, 1838 Gyrinus affinis was recorded from New Brunswick by Oygur and Wolfe (1991) , Nova Scotia by Oygur and Wolfe (1991) and Roughley (1991) , and Prince Edward Island by Majka (2008) . It is one of the most abundant and widely distributed species in the region (Fig. 8). Oygur and Wolfe (1991) recorded the species from streams and lakes while Morrissette (1979) reported it from stagnant water. It is found in both lotic (41%) and lentic (59%) habitats ( Oygur and Wolfe 1991 ).