Per this photo's caption from the official White House website, "The Obamas welcome Bo, a six-month old Portuguese water dog and a gift from Senator and Mrs. Kennedy to Sasha and Malia, recently at the White House".
<bdi><a href="https://en.wikipedia.org/wiki/en:Pete_Souza" class="extiw" title="w:en:Pete Souza"><span title="American photographer">Pete Souza</span></a>
</bdi>
Taken on 15 March 2009 (according to <a href="https://en.wikipedia.org/wiki/Exchangeable_image_file_format" class="extiw" title="en:Exchangeable image file format">Exif</a> data)
<a rel="nofollow" class="external free" href="https://www.whitehouse.gov/blog/09/04/12/Meet-Bo-the-First-Dog/">http://www.whitehouse.gov/blog/09/04/12/Meet-Bo-the-First-Dog/</a>