Sinbad is a mixed breed - not quite sure what but we believe it has poodle blood in it (and the other half is most probably a terrier). When we got him in China he was really small and completely black. Somehow as grew older, the color of his fur turned grey. He is quite stocky/solidly in built. It has a mop like tail (his tail curls and hair sprouting out on either side). He is intelligent and barks at strangers until he is assured that they are our friends.