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Lemon shark

Achhhhttshualllllly, sharks are covered in carbon fiber fur. Do some research nerd.

Nope Shark skin is rough to the touch if you were to stroke tail to nose, due to the scales being jagged like a saw blade or teeth.

wrong, sharks are smooth each way

Cool design.   The under-hull fin stabilizers of high-speed boats are often based on sharks.

Some more less relevant trivia: There has been work on using shark skin textures for high performance swimsuits and boat hulls.  Despite research being on the favorable side of margin of error, the swimsuits were banned from the Olympics the year after they premiered.   However, for boat hulls it has the added advantage of being more barnacle, algae, scaling.