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
Ibizan Hound it is considered very bad luck to kill the dog. Instead, they release the dog on the other side of the island, so that someone else might 'adopt' the animal. Ibizan Hound The Ibizan Hound (, ) is a lean, agile dog of the hound family. There are two hair types of the breed: smooth and wire. The more commonly seen type is the smooth. Some consider there to be a third type, long, but the longhair is most likely a variation of the wire. The Ibizan Hound is an elegant and agile breed, with an athletic and attractive outline