The Pembroke Welsh Corgi

The Pembroke Welsh Corgi is a long, but short dog. The dog is sometimes born without a tail. Otherwise, their tails are docked as soon as possible.  They are highly intelligent, loyal, and willing to please their owners. They are active and are good with children as long as the dog knows it's place in the pack. They are protective, which makes them great guard dogs. They make excellent show and obedience dogs. The Pembroke Welsh Corgi are known to "herd" their humans by nipping at the heels, they can and should be trained no to do this at a young age. They tend to bark a lot, this behavior may be corrected as well. Their life expectancy is 12-15 years. They are easy to groom. Their coat is shed twice a year. They are in the AKC herding group.
Height-
Males: 10-12 inches
Females: 10-12 inches
Weight-
Males: 25-30 pounds
Females: 24- 28 pounds
Health Problems:
They are prone to PRA, glaucoma, and back disorders. They gain weight easily. If they become overwieght, they can develop back disorders.
Living Conditions:
The Pembroke Welsh Corgi can be kept in an apartment if they are exercised regularly. If they aren't exercised then they will be very active. They can also live without a yard if exercised.

Information found at : http://www.dogbreedinfo.com/pembrokecorgi.htm
The picture was found at:
http://www.google.com/imgres?q=pembroke+welsh+corgi&um=1&hl=en&sa=N&qscrl=1&nord=1&rlz=1T4DKUS_enUS300US301&biw=1280&bih=661&tbm=isch&tbnid=OC9KXhclSgAuVM:&imgrefurl=http://dogbreedtrainings.com/welsh-corgi-pembroke/welsh-corgi-pembroke-puppies/&docid=Ex-ayCZd779BNM&imgurl=http://dogbreedtrainings.com/wp-content/uploads/2012/01/Welsh-Corgi-Pembroke-puppies-5.jpg&w=429&h=367&ei=sXYEUJ2bCaec2AW20MmTBQ&zoom=1

*This information is based on opinion. All dogs are different and behaviors can not be determined by the breed.