Dusky smooth-hound fishes is their ability to continually replace the teeth in their upper and lower jaws. Smooth dogfish differ from other sharks because of their 10 rows of flat, blunt teeth. The teeth in the upper and lower jaws are similar in size and are asymmetrical with rounded cusps. These teeth are used to crush and grind food, rather than bite it. Their unique dentition is important for their crustacean-based diet. In smooth dogfish, tooth replacement is related to body growth. They grow about 10 cm per every six rows of teeth replaced. That is an increase of 0.03 mm per
Afghan Hound Europe in 1920 when an Indian Army officer, Major G Bell-Murray, brought some animals back from Afghanistan. "Tazi" is a current and ancient name for hunting dogs of the sighthound type in the Middle East. It has been used to denote the Saluki, Afghan, Taigan, Persian Greyhound, greyhound types of hound. Bakhmull (also Bakhmull Tazi or Tazi Bakhmull, also called Aboriginal Afghan Hound) is a long-haired variety of sighthound, also classified loosely as a mountain dog (breed originating in a high-altitude area). It has been bred mostly in Russia and claimed to represent an Afghan Hound aboriginal to Afghanistan. In