Dermal denticles. Literally, "skin teeth." They are similar in structure to the teeth of a shark. See http://en.wikipedia.org/wiki/Dermal_denticle
Yes. Although shark's skin does not look like scales, but it has scales.
I'm not sure if sharks actually have scales
they dont have any scales
no it does not have scales
yes
spiky skin, hard scales shark
Shark skin is not soft and smooth as they it is covered in specialized scales. These scales are called placoid scales or dermal denticles.
no
The scales.
Shark teeth are infact made of scales, the same scales which covers it's body, but in case of its teeth it has been enlarged and strenghted.
Scales
all fish have scales, including sharks. their scales are just smaller than what you would normally think of as scales
yes it is very thick
Shark
A shark is classified as a fish. It breathes using gills, and has fine scales.
Shark skin looks and feels like it is covered with tiny teeth. In fact, their small, rough placoid scales (also called denticles), have the same structure as sharks' teeth! Shark skin is sometimes used as sandpaper.www.vanaqua.org/education/aquafacts/sharks.html
Sharks don't have scales. They have skin. Actually they have a kind of teeth on their skin called denticles.