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
Panther (legendary creature) creature are pantera, pantere, and love cervere. Usually depicted as a type of cat, the panther was at times depicted in other forms. It was depicted as a donkey, as a composite creature with a horned head, long neck and a horse's body, and as a host of other forms. (The word "panther", in Greek, could be interpreted as "every wild beast", supporting the idea of a composite creature.) This was mostly because those involved did not know what a panther should look like; but, in some instances, this was due to cultural influences. In Germany in particular, the panther