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
Andalusian Hound in the Portuguese Podengo, the Andalusian Hound comes in three sizes (large, medium and small) and with three types of coat (wire-haired, long-haired and smooth). This combination of factors can results in nine different varieties. There is also a dwarf or basset variety derived from a medium-sized short-haired Andalusian Hound — called Maneto from its short, stout legs — which the RSCE has provisionally accepted as a distinct breed. Andalusian Podencos, like other hounds, have excellent sight, hearing and smell, which makes them good hunters, often employed for hunting rabbits. Andalusians and mastiffs form the heart of the "rehalas" (teams