Dog The domesticated dog ( " Canis lupus familiaris " ) was the most common canine species found on the planet Earth . A juvenile dog was known as a puppy . Dogs were capable of being trained to do certain tasks , such as " fetching " , and were also capable of forming very close bonds to their master , almost symbiotic in nature . Obedience training commands included " heel " , an admonition to slow down and remain at the side of the one giving the commands . ( ) Several well - known Starfleet captain s owned dogs , including Jonathan Archer , his mirror universe , James T . Kirk , and Kathryn Janeway . ( ; ; ; " et al . " ) Both Archers had a dog named Porthos . The prime universe version of Porthos was a Beagle , whereas in the mirror universe was a Rottweiler . ( ) Miles O ' Brien once had a puppy and knew that puppies didn ' t want to be alone . When he locked it in a room , it scratched at the door to get out . ( ) Canine was considered a delicacy to the Tellarite s . ( ) Vulcan females were particularly sensitive to the smell of a dog , which they found to be particularly repugnant . ( ) History . At least one of the inhabitants of Bozeman , Montana had a dog as a pet in 2063 . ( ) At least one dog was on a Skagaran colony planet . It could be heard repeatedly barking when Captain Archer first met Human school teacher Bethany there . ( ) The Trois owned a little dog when Deanna Troi was a baby . Her sister , Kestra Troi , ran after the dog when it got away . Because she was out of their sight , the Trois noticed too late that Kestra had fallen into Lake El ' nar , a nearby lake , and had drowned . ( ) In early 2365 , a litter of puppies visited the nursery aboard the . Ian Troi was among the children who played with the puppies . ( ) While living on Earth , Amanda Rogers owned three dogs , which her parents referred to as " The Zoo " . After seeing the size of her quarters aboard the in 2369 , she told Commander Riker that she had enough room for her zoo . She then told him she would have a dozen dogs if she could , but her mother had said , " " Enough is enough . " " Amanda accidentally created a litter of puppies in her quarters , using the powers of the , but was able to make them disappear . Later , Q transformed Doctor Beverly Crusher into a dog , apparently without her knowledge , in order to prevent her from interfering with Amanda . Amanda was able to restore her to Human form . ( ) Ensign Sito Jaxa told Lieutenant Worf , in Ten Forward in 2370 , that among her duties at ops was to use the internal sensor s to find a lost puppy . Worf told Sito that the ops duties were a different challenge than the tactical duties . ( ) In 2373 , while attempting to persuade Captain Kathryn Janeway to mate with him , Q made an Irish Setter puppy appear in her quarters , as a gift . The later referred to Janeway as " the dog . " ( ) Dog - like beings . When he accidentally traveled back in time with Quark , Rom and Nog to 1947 , Constable Odo disguised himself by turning into a German Shepherd dog , popular among Earth militaries at the time . ( ) The Organian s ' imitation of a simple humanoid culture included dogs , one of which was heard barking while Captain Kirk and his first officer , Spock , prepared to blow up a Klingon munitions dump . ( ) Robotic dogs were seen in Doctor Ira Graves ' laboratory on Gravesworld , and in Ard ' rian McKenzie ' s house on Tau Cygna V . ( ) The Banea domesticated a creature very much like dogs , whether or not they were native to their homeworld . In 2371 , Tolen and Lidell Ren ' s dog , Neeka , was instrumental in proving the innocence of Tom Paris . ( ) Miscellaneous . When Porthos was sickened due to a pathogen on the Kreetassan homeworld of Kreetassa , Captain Archer had a dream about Porthos ' burial . It was at a " dog cemetery " with several tombstones , including ones for and Goldie . ( ) " Dog " was a word used by Boslic captain Jaheel after he became infected by the aphasia virus in 2369 . ( )