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What shark has skin that is spiky and has hard scales?
spiky skin, hard scales shark
Is shark skin soft and smooth?
Shark skin is not soft and smooth as they it is covered in specialized scales. These scales are called placoid scales or dermal denticles.
Do Shark catfish have scales?
no
Does a shark have scales?
Dermal denticles. Literally, "skin teeth." They are similar in structure to the teeth of a shark. See http://en.wikipedia.org/wiki/Dermal_denticle
A shark is the only fish which doesnt have what?
Scales
Does a tiger shark have scales?
all fish have scales, including sharks. their scales are just smaller than what you would normally think of as scales
Which animal living in water has gills but no scales?
Shark
What kind of scales does a shark have?
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
What are shark's teeth made of?
Shark teeth are made of dentin, a hard tissue similar to bone, covered by a layer of enamel. They have a conical shape and are constantly regenerating throughout the shark's life to replace lost or worn teeth.
What is a shark-?
A shark is a long-bodied fish with a cartilage skeleton, prominent dorsal fin, and scales that are tooth-like.
How does a sharks scales make it more efficient swimmer?
Sharks are covered in placoid scales which do not grow in size as the fish does, instead more scales are added. Research has shown that scales create small vortices which serve to reduce drag.
What type of skin does a great white shark have?
They have special scales like many sharks called placoid scales
