Dusky smooth-hound Dusky smooth-hound The dusky smooth-hound ("Mustelus canis"), also called the smooth dogfish or the dog shark, is a species of houndshark in the family Triakidae. This shark is an olive grey or brown in color, and may have shades of yellow or grayish white. Females live to 16 years and males have a lifespan of 10 years. "M. canis" was the first shark recognised to have viral infections. "M. canis" can be known as smooth dogfish, Atlantic smooth dogfish, dusky smooth-hound, grayish, nurse shark, smooth dog, or smooth-hound. It was originally named "Squalls canis". In Latin, "mustelus" translates to weasel
Welsh Hound Welsh Hound The Welsh Hound (Welsh: "Bytheiad" or Ci Hela Cymreig) is a breed of hunting dog of the foxhound type, indigenous to Wales. The Welsh Hound is a native breed to the British Isles, and could possibly be the Segussi breed of rough coated hound which existed in northern Europe in Roman times. From medieval times through the early part of the twentieth century, the bards, who had always held a special place in Welsh society, sang odes to the hounds, often naming individual hounds, and praising their qualities. "The ancient laws of Wales codified during the reign of